20679881344

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{701}}^1\times {\mathrm{6229}}^1$

素因数の和:6981

約数の個数: 64

約数和(自身を含む): 42378827400

約数和(自身を除く): 21698946056

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 296, 592, 701, 1184, 1402, 2368, 2804, 4736, 5608, 6229, 11216, 12458, 22432, 24916, 25937, 44864, 49832, 51874, 89728, 99664, 103748, 199328, 207496, 230473, 398656, 414992, 460946, 797312, 829984, 921892, 1659968, 1843784, 3319936, 3687568, 4366529, 7375136, 8733058, 14750272, 17466116, 29500544, 34932232, 69864464, 139728928, 161561573, 279457856, 323123146, 558915712, 646246292, 1292492584, 2584985168, 5169970336, 10339940672, 20679881344]

約数ペア:

[(1, 20679881344), (2, 10339940672), (4, 5169970336), (8, 2584985168), (16, 1292492584), (32, 646246292), (37, 558915712), (64, 323123146), (74, 279457856), (128, 161561573), (148, 139728928), (296, 69864464), (592, 34932232), (701, 29500544), (1184, 17466116), (1402, 14750272), (2368, 8733058), (2804, 7375136), (4736, 4366529), (5608, 3687568), (6229, 3319936), (11216, 1843784), (12458, 1659968), (22432, 921892), (24916, 829984), (25937, 797312), (44864, 460946), (49832, 414992), (51874, 398656), (89728, 230473), (99664, 207496), (103748, 199328)]