20395418108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{823}}^1\times {\mathrm{2633}}^1$

素因数の和:3654

約数の個数: 48

約数和(自身を含む): 38711539776

約数和(自身を除く): 18316121668

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 823, 1646, 2353, 2633, 3292, 4706, 5266, 9412, 10532, 10699, 21398, 34229, 42796, 68458, 136916, 148963, 297926, 476573, 595852, 953146, 1906292, 1936519, 2166959, 3873038, 4333918, 6195449, 7746076, 8667836, 12390898, 24781796, 28170467, 56340934, 112681868, 392219579, 784439158, 1568878316, 5098854527, 10197709054, 20395418108]

約数ペア:

[(1, 20395418108), (2, 10197709054), (4, 5098854527), (13, 1568878316), (26, 784439158), (52, 392219579), (181, 112681868), (362, 56340934), (724, 28170467), (823, 24781796), (1646, 12390898), (2353, 8667836), (2633, 7746076), (3292, 6195449), (4706, 4333918), (5266, 3873038), (9412, 2166959), (10532, 1936519), (10699, 1906292), (21398, 953146), (34229, 595852), (42796, 476573), (68458, 297926), (136916, 148963)]