20744445176

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:427

約数の個数: 256

約数和(自身を含む): 52039680000

約数和(自身を除く): 31295234824

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 127, 133, 152, 182, 196, 241, 247, 254, 266, 343, 364, 392, 482, 494, 508, 532, 637, 686, 728, 889, 931, 964, 988, 1016, 1064, 1274, 1372, 1651, 1687, 1729, 1778, 1862, 1928, 1976, 2413, 2548, 2744, 3133, 3302, 3374, 3458, 3556, 3724, 4459, 4579, 4826, 5096, 6223, 6266, 6517, 6604, 6748, 6916, 7112, 7448, 8918, 9158, 9652, 11557, 11809, 12103, 12446, 12532, 13034, 13208, 13496, 13832, 16891, 17836, 18316, 19304, 21931, 23114, 23618, 24206, 24892, 25064, 26068, 30607, 31369, 32053, 33782, 35672, 36632, 43561, 43862, 46228, 47236, 48412, 49784, 52136, 59527, 61214, 62738, 64106, 67564, 80899, 82663, 84721, 87122, 87724, 92456, 94472, 96824, 118237, 119054, 122428, 125476, 128212, 135128, 153517, 161798, 165326, 169442, 174244, 175448, 214249, 219583, 224371, 236474, 238108, 244856, 250952, 256424, 307034, 323596, 330652, 338884, 348488, 397891, 416689, 428498, 439166, 448742, 472948, 476216, 566293, 581533, 614068, 647192, 661304, 677768, 795782, 827659, 833378, 856996, 878332, 897484, 945896, 1074619, 1132586, 1163066, 1228136, 1499743, 1537081, 1570597, 1591564, 1655318, 1666756, 1713992, 1756664, 1794968, 2149238, 2265172, 2326132, 2785237, 2916823, 2999486, 3074162, 3141194, 3183128, 3310636, 3333512, 4070731, 4298476, 4530344, 4652264, 5570474, 5833646, 5998972, 6148324, 6282388, 6621272, 7559929, 8141462, 8596952, 10498201, 10759567, 11140948, 11667292, 11997944, 12296648, 12564776, 15119858, 16282924, 19496659, 20417761, 20996402, 21519134, 22281896, 23334584, 28495117, 30239716, 32565848, 38993318, 40835522, 41992804, 43038268, 52919503, 56990234, 60479432, 77986636, 81671044, 83985608, 86076536, 105839006, 113980468, 136476613, 155973272, 163342088, 199465819, 211678012, 227960936, 272953226, 370436521, 398931638, 423356024, 545906452, 740873042, 797863276, 1091812904, 1481746084, 1595726552, 2593055647, 2963492168, 5186111294, 10372222588, 20744445176]

約数ペア:

[(1, 20744445176), (2, 10372222588), (4, 5186111294), (7, 2963492168), (8, 2593055647), (13, 1595726552), (14, 1481746084), (19, 1091812904), (26, 797863276), (28, 740873042), (38, 545906452), (49, 423356024), (52, 398931638), (56, 370436521), (76, 272953226), (91, 227960936), (98, 211678012), (104, 199465819), (127, 163342088), (133, 155973272), (152, 136476613), (182, 113980468), (196, 105839006), (241, 86076536), (247, 83985608), (254, 81671044), (266, 77986636), (343, 60479432), (364, 56990234), (392, 52919503), (482, 43038268), (494, 41992804), (508, 40835522), (532, 38993318), (637, 32565848), (686, 30239716), (728, 28495117), (889, 23334584), (931, 22281896), (964, 21519134), (988, 20996402), (1016, 20417761), (1064, 19496659), (1274, 16282924), (1372, 15119858), (1651, 12564776), (1687, 12296648), (1729, 11997944), (1778, 11667292), (1862, 11140948), (1928, 10759567), (1976, 10498201), (2413, 8596952), (2548, 8141462), (2744, 7559929), (3133, 6621272), (3302, 6282388), (3374, 6148324), (3458, 5998972), (3556, 5833646), (3724, 5570474), (4459, 4652264), (4579, 4530344), (4826, 4298476), (5096, 4070731), (6223, 3333512), (6266, 3310636), (6517, 3183128), (6604, 3141194), (6748, 3074162), (6916, 2999486), (7112, 2916823), (7448, 2785237), (8918, 2326132), (9158, 2265172), (9652, 2149238), (11557, 1794968), (11809, 1756664), (12103, 1713992), (12446, 1666756), (12532, 1655318), (13034, 1591564), (13208, 1570597), (13496, 1537081), (13832, 1499743), (16891, 1228136), (17836, 1163066), (18316, 1132586), (19304, 1074619), (21931, 945896), (23114, 897484), (23618, 878332), (24206, 856996), (24892, 833378), (25064, 827659), (26068, 795782), (30607, 677768), (31369, 661304), (32053, 647192), (33782, 614068), (35672, 581533), (36632, 566293), (43561, 476216), (43862, 472948), (46228, 448742), (47236, 439166), (48412, 428498), (49784, 416689), (52136, 397891), (59527, 348488), (61214, 338884), (62738, 330652), (64106, 323596), (67564, 307034), (80899, 256424), (82663, 250952), (84721, 244856), (87122, 238108), (87724, 236474), (92456, 224371), (94472, 219583), (96824, 214249), (118237, 175448), (119054, 174244), (122428, 169442), (125476, 165326), (128212, 161798), (135128, 153517)]