20198944989

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{4139}}^1$

素因数の和:4414

約数の個数: 48

約数和(自身を含む): 30380313600

約数和(自身を除く): 10181368611

約数列:

[1, 3, 9, 47, 83, 139, 141, 249, 417, 423, 747, 1251, 3901, 4139, 6533, 11537, 11703, 12417, 19599, 34611, 35109, 37251, 58797, 103833, 194533, 343537, 542239, 575321, 583599, 1030611, 1626717, 1725963, 1750797, 3091833, 4880151, 5177889, 16146239, 27040087, 47751643, 48438717, 81120261, 143254929, 145316151, 243360783, 429764787, 2244327221, 6732981663, 20198944989]

約数ペア:

[(1, 20198944989), (3, 6732981663), (9, 2244327221), (47, 429764787), (83, 243360783), (139, 145316151), (141, 143254929), (249, 81120261), (417, 48438717), (423, 47751643), (747, 27040087), (1251, 16146239), (3901, 5177889), (4139, 4880151), (6533, 3091833), (11537, 1750797), (11703, 1725963), (12417, 1626717), (19599, 1030611), (34611, 583599), (35109, 575321), (37251, 542239), (58797, 343537), (103833, 194533)]