20177577080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{756281}}^1$

素因数の和:756344

約数の個数: 64

約数和(自身を含む): 49007073600

約数和(自身を除く): 28829496520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 667, 920, 1160, 1334, 2668, 3335, 5336, 6670, 13340, 26680, 756281, 1512562, 3025124, 3781405, 6050248, 7562810, 15125620, 17394463, 21932149, 30251240, 34788926, 43864298, 69577852, 86972315, 87728596, 109660745, 139155704, 173944630, 175457192, 219321490, 347889260, 438642980, 504439427, 695778520, 877285960, 1008878854, 2017757708, 2522197135, 4035515416, 5044394270, 10088788540, 20177577080]

約数ペア:

[(1, 20177577080), (2, 10088788540), (4, 5044394270), (5, 4035515416), (8, 2522197135), (10, 2017757708), (20, 1008878854), (23, 877285960), (29, 695778520), (40, 504439427), (46, 438642980), (58, 347889260), (92, 219321490), (115, 175457192), (116, 173944630), (145, 139155704), (184, 109660745), (230, 87728596), (232, 86972315), (290, 69577852), (460, 43864298), (580, 34788926), (667, 30251240), (920, 21932149), (1160, 17394463), (1334, 15125620), (2668, 7562810), (3335, 6050248), (5336, 3781405), (6670, 3025124), (13340, 1512562), (26680, 756281)]