20662798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 35086464

約数和(自身を除く): 14423666

約数列:

[1, 2, 13, 26, 37, 47, 74, 94, 457, 481, 611, 914, 962, 1222, 1739, 3478, 5941, 11882, 16909, 21479, 22607, 33818, 42958, 45214, 219817, 279227, 439634, 558454, 794723, 1589446, 10331399, 20662798]

約数ペア:

[(1, 20662798), (2, 10331399), (13, 1589446), (26, 794723), (37, 558454), (47, 439634), (74, 279227), (94, 219817), (457, 45214), (481, 42958), (611, 33818), (914, 22607), (962, 21479), (1222, 16909), (1739, 11882), (3478, 5941)]