20347150672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1\times {\mathrm{2143}}^1$

素因数の和:2756

約数の個数: 80

約数和(自身を含む): 42465710592

約数和(自身を除く): 22118559920

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 521, 536, 1042, 1072, 1139, 2084, 2143, 2278, 4168, 4286, 4556, 8336, 8572, 8857, 9112, 17144, 17714, 18224, 34288, 34907, 35428, 36431, 69814, 70856, 72862, 139628, 141712, 143581, 145724, 279256, 287162, 291448, 558512, 574324, 582896, 593419, 1116503, 1148648, 1186838, 2233006, 2297296, 2373676, 2440877, 4466012, 4747352, 4881754, 8932024, 9494704, 9763508, 17864048, 18980551, 19527016, 37961102, 39054032, 74805701, 75922204, 149611402, 151844408, 299222804, 303688816, 598445608, 1196891216, 1271696917, 2543393834, 5086787668, 10173575336, 20347150672]

約数ペア:

[(1, 20347150672), (2, 10173575336), (4, 5086787668), (8, 2543393834), (16, 1271696917), (17, 1196891216), (34, 598445608), (67, 303688816), (68, 299222804), (134, 151844408), (136, 149611402), (268, 75922204), (272, 74805701), (521, 39054032), (536, 37961102), (1042, 19527016), (1072, 18980551), (1139, 17864048), (2084, 9763508), (2143, 9494704), (2278, 8932024), (4168, 4881754), (4286, 4747352), (4556, 4466012), (8336, 2440877), (8572, 2373676), (8857, 2297296), (9112, 2233006), (17144, 1186838), (17714, 1148648), (18224, 1116503), (34288, 593419), (34907, 582896), (35428, 574324), (36431, 558512), (69814, 291448), (70856, 287162), (72862, 279256), (139628, 145724), (141712, 143581)]