20820654

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37313}}^1$

素因数の和:37352

約数の個数: 24

約数和(自身を含む): 46567872

約数和(自身を除く): 25747218

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 37313, 74626, 111939, 223878, 335817, 671634, 1156703, 2313406, 3470109, 6940218, 10410327, 20820654]

約数ペア:

[(1, 20820654), (2, 10410327), (3, 6940218), (6, 3470109), (9, 2313406), (18, 1156703), (31, 671634), (62, 335817), (93, 223878), (186, 111939), (279, 74626), (558, 37313)]