20517106

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{3911}}^1$

素因数の和:4017

約数の個数: 16

約数和(自身を含む): 32015808

約数和(自身を除く): 11498702

約数列:

[1, 2, 43, 61, 86, 122, 2623, 3911, 5246, 7822, 168173, 238571, 336346, 477142, 10258553, 20517106]

約数ペア:

[(1, 20517106), (2, 10258553), (43, 477142), (61, 336346), (86, 238571), (122, 168173), (2623, 7822), (3911, 5246)]