20643386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2273}}^1$

素因数の和:2533

約数の個数: 16

約数和(自身を含む): 32745600

約数和(自身を除く): 12102214

約数列:

[1, 2, 19, 38, 239, 478, 2273, 4541, 4546, 9082, 43187, 86374, 543247, 1086494, 10321693, 20643386]

約数ペア:

[(1, 20643386), (2, 10321693), (19, 1086494), (38, 543247), (239, 86374), (478, 43187), (2273, 9082), (4541, 4546)]