20301630188

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{84991}}^1$

素因数の和:85470

約数の個数: 48

約数和(自身を含む): 42835968000

約数和(自身を除く): 22534337812

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 449, 532, 898, 1796, 3143, 6286, 8531, 12572, 17062, 34124, 59717, 84991, 119434, 169982, 238868, 339964, 594937, 1189874, 1614829, 2379748, 3229658, 6459316, 11303803, 22607606, 38160959, 45215212, 76321918, 152643836, 267126713, 534253426, 725058221, 1068506852, 1450116442, 2900232884, 5075407547, 10150815094, 20301630188]

約数ペア:

[(1, 20301630188), (2, 10150815094), (4, 5075407547), (7, 2900232884), (14, 1450116442), (19, 1068506852), (28, 725058221), (38, 534253426), (76, 267126713), (133, 152643836), (266, 76321918), (449, 45215212), (532, 38160959), (898, 22607606), (1796, 11303803), (3143, 6459316), (6286, 3229658), (8531, 2379748), (12572, 1614829), (17062, 1189874), (34124, 594937), (59717, 339964), (84991, 238868), (119434, 169982)]