20897352

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 160

約数和(自身を含む): 71089920

約数和(自身を除く): 50192568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 81, 84, 102, 108, 119, 126, 136, 153, 162, 168, 189, 204, 216, 238, 252, 271, 306, 324, 357, 378, 408, 459, 476, 504, 542, 567, 612, 648, 714, 756, 813, 918, 952, 1071, 1084, 1134, 1224, 1377, 1428, 1512, 1626, 1836, 1897, 2142, 2168, 2268, 2439, 2754, 2856, 3213, 3252, 3672, 3794, 4284, 4536, 4607, 4878, 5508, 5691, 6426, 6504, 7317, 7588, 8568, 9214, 9639, 9756, 11016, 11382, 12852, 13821, 14634, 15176, 17073, 18428, 19278, 19512, 21951, 22764, 25704, 27642, 29268, 32249, 34146, 36856, 38556, 41463, 43902, 45528, 51219, 55284, 58536, 64498, 68292, 77112, 82926, 87804, 96747, 102438, 110568, 124389, 128996, 136584, 153657, 165852, 175608, 193494, 204876, 248778, 257992, 290241, 307314, 331704, 373167, 386988, 409752, 497556, 580482, 614628, 746334, 773976, 870723, 995112, 1160964, 1229256, 1492668, 1741446, 2321928, 2612169, 2985336, 3482892, 5224338, 6965784, 10448676, 20897352]

約数ペア:

[(1, 20897352), (2, 10448676), (3, 6965784), (4, 5224338), (6, 3482892), (7, 2985336), (8, 2612169), (9, 2321928), (12, 1741446), (14, 1492668), (17, 1229256), (18, 1160964), (21, 995112), (24, 870723), (27, 773976), (28, 746334), (34, 614628), (36, 580482), (42, 497556), (51, 409752), (54, 386988), (56, 373167), (63, 331704), (68, 307314), (72, 290241), (81, 257992), (84, 248778), (102, 204876), (108, 193494), (119, 175608), (126, 165852), (136, 153657), (153, 136584), (162, 128996), (168, 124389), (189, 110568), (204, 102438), (216, 96747), (238, 87804), (252, 82926), (271, 77112), (306, 68292), (324, 64498), (357, 58536), (378, 55284), (408, 51219), (459, 45528), (476, 43902), (504, 41463), (542, 38556), (567, 36856), (612, 34146), (648, 32249), (714, 29268), (756, 27642), (813, 25704), (918, 22764), (952, 21951), (1071, 19512), (1084, 19278), (1134, 18428), (1224, 17073), (1377, 15176), (1428, 14634), (1512, 13821), (1626, 12852), (1836, 11382), (1897, 11016), (2142, 9756), (2168, 9639), (2268, 9214), (2439, 8568), (2754, 7588), (2856, 7317), (3213, 6504), (3252, 6426), (3672, 5691), (3794, 5508), (4284, 4878), (4536, 4607)]