20178504564

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2058191}}^1$

素因数の和:2058260

約数の個数: 48

約数和(自身を含む): 50713850880

約数和(自身を除く): 30535346316

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2451, 3268, 4902, 9804, 2058191, 4116382, 6174573, 8232764, 12349146, 24698292, 39105629, 78211258, 88502213, 117316887, 156422516, 177004426, 234633774, 265506639, 354008852, 469267548, 531013278, 1062026556, 1681542047, 3363084094, 5044626141, 6726168188, 10089252282, 20178504564]

約数ペア:

[(1, 20178504564), (2, 10089252282), (3, 6726168188), (4, 5044626141), (6, 3363084094), (12, 1681542047), (19, 1062026556), (38, 531013278), (43, 469267548), (57, 354008852), (76, 265506639), (86, 234633774), (114, 177004426), (129, 156422516), (172, 117316887), (228, 88502213), (258, 78211258), (516, 39105629), (817, 24698292), (1634, 12349146), (2451, 8232764), (3268, 6174573), (4902, 4116382), (9804, 2058191)]