20764331380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1353607}}^1$

素因数の和:1353688

約数の個数: 48

約数和(自身を含む): 47755290240

約数和(自身を除く): 26990958860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 7670, 15340, 1353607, 2707214, 5414428, 6768035, 13536070, 17596891, 27072140, 35193782, 70387564, 79862813, 87984455, 159725626, 175968910, 319451252, 351937820, 399314065, 798628130, 1038216569, 1597256260, 2076433138, 4152866276, 5191082845, 10382165690, 20764331380]

約数ペア:

[(1, 20764331380), (2, 10382165690), (4, 5191082845), (5, 4152866276), (10, 2076433138), (13, 1597256260), (20, 1038216569), (26, 798628130), (52, 399314065), (59, 351937820), (65, 319451252), (118, 175968910), (130, 159725626), (236, 87984455), (260, 79862813), (295, 70387564), (590, 35193782), (767, 27072140), (1180, 17596891), (1534, 13536070), (3068, 6768035), (3835, 5414428), (7670, 2707214), (15340, 1353607)]