20872386424

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1\times {\mathrm{997}}^1$

素因数の和:1808

約数の個数: 64

約数和(自身を含む): 40671214560

約数和(自身を除く): 19798828136

約数列:

[1, 2, 4, 8, 37, 74, 107, 148, 214, 296, 428, 661, 856, 997, 1322, 1994, 2644, 3959, 3988, 5288, 7918, 7976, 15836, 24457, 31672, 36889, 48914, 70727, 73778, 97828, 106679, 141454, 147556, 195656, 213358, 282908, 295112, 426716, 565816, 659017, 853432, 1318034, 2616899, 2636068, 3947123, 5233798, 5272136, 7894246, 10467596, 15788492, 20935192, 24383629, 31576984, 48767258, 70514819, 97534516, 141029638, 195069032, 282059276, 564118552, 2609048303, 5218096606, 10436193212, 20872386424]

約数ペア:

[(1, 20872386424), (2, 10436193212), (4, 5218096606), (8, 2609048303), (37, 564118552), (74, 282059276), (107, 195069032), (148, 141029638), (214, 97534516), (296, 70514819), (428, 48767258), (661, 31576984), (856, 24383629), (997, 20935192), (1322, 15788492), (1994, 10467596), (2644, 7894246), (3959, 5272136), (3988, 5233798), (5288, 3947123), (7918, 2636068), (7976, 2616899), (15836, 1318034), (24457, 853432), (31672, 659017), (36889, 565816), (48914, 426716), (70727, 295112), (73778, 282908), (97828, 213358), (106679, 195656), (141454, 147556)]