20321718532

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{18947}}^1\times {\mathrm{7247}}^1$

素因数の和:26235

約数の個数: 24

約数和(自身を含む): 36531137664

約数和(自身を除く): 16209419132

約数列:

[1, 2, 4, 37, 74, 148, 7247, 14494, 18947, 28988, 37894, 75788, 268139, 536278, 701039, 1072556, 1402078, 2804156, 137308909, 274617818, 549235636, 5080429633, 10160859266, 20321718532]

約数ペア:

[(1, 20321718532), (2, 10160859266), (4, 5080429633), (37, 549235636), (74, 274617818), (148, 137308909), (7247, 2804156), (14494, 1402078), (18947, 1072556), (28988, 701039), (37894, 536278), (75788, 268139)]