20620660816

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1609}}^1$

素因数の和:1821

約数の個数: 160

約数和(自身を含む): 49676820480

約数和(自身を除く): 29056159664

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 53, 56, 68, 106, 112, 119, 127, 136, 212, 238, 254, 272, 371, 424, 476, 508, 742, 848, 889, 901, 952, 1016, 1484, 1609, 1778, 1802, 1904, 2032, 2159, 2968, 3218, 3556, 3604, 4318, 5936, 6307, 6436, 6731, 7112, 7208, 8636, 11263, 12614, 12872, 13462, 14224, 14416, 15113, 17272, 22526, 25228, 25744, 26924, 27353, 30226, 34544, 45052, 47117, 50456, 53848, 54706, 60452, 85277, 90104, 94234, 100912, 107696, 109412, 114427, 120904, 170554, 180208, 188468, 191471, 204343, 218824, 228854, 241808, 341108, 376936, 382942, 408686, 437648, 457708, 596939, 682216, 753872, 765884, 800989, 817372, 915416, 1193878, 1364432, 1430401, 1449709, 1531768, 1601978, 1634744, 1830832, 2387756, 2860802, 2899418, 3063536, 3203956, 3269488, 3473831, 4775512, 5721604, 5798836, 6407912, 6947662, 9551024, 10147963, 10830179, 11443208, 11597672, 12815824, 13895324, 20295926, 21660358, 22886416, 23195344, 24316817, 27790648, 40591852, 43320716, 48633634, 55581296, 75811253, 81183704, 86641432, 97267268, 151622506, 162367408, 173282864, 184113043, 194534536, 303245012, 368226086, 389069072, 606490024, 736452172, 1212980048, 1288791301, 1472904344, 2577582602, 2945808688, 5155165204, 10310330408, 20620660816]

約数ペア:

[(1, 20620660816), (2, 10310330408), (4, 5155165204), (7, 2945808688), (8, 2577582602), (14, 1472904344), (16, 1288791301), (17, 1212980048), (28, 736452172), (34, 606490024), (53, 389069072), (56, 368226086), (68, 303245012), (106, 194534536), (112, 184113043), (119, 173282864), (127, 162367408), (136, 151622506), (212, 97267268), (238, 86641432), (254, 81183704), (272, 75811253), (371, 55581296), (424, 48633634), (476, 43320716), (508, 40591852), (742, 27790648), (848, 24316817), (889, 23195344), (901, 22886416), (952, 21660358), (1016, 20295926), (1484, 13895324), (1609, 12815824), (1778, 11597672), (1802, 11443208), (1904, 10830179), (2032, 10147963), (2159, 9551024), (2968, 6947662), (3218, 6407912), (3556, 5798836), (3604, 5721604), (4318, 4775512), (5936, 3473831), (6307, 3269488), (6436, 3203956), (6731, 3063536), (7112, 2899418), (7208, 2860802), (8636, 2387756), (11263, 1830832), (12614, 1634744), (12872, 1601978), (13462, 1531768), (14224, 1449709), (14416, 1430401), (15113, 1364432), (17272, 1193878), (22526, 915416), (25228, 817372), (25744, 800989), (26924, 765884), (27353, 753872), (30226, 682216), (34544, 596939), (45052, 457708), (47117, 437648), (50456, 408686), (53848, 382942), (54706, 376936), (60452, 341108), (85277, 241808), (90104, 228854), (94234, 218824), (100912, 204343), (107696, 191471), (109412, 188468), (114427, 180208), (120904, 170554)]