20952112

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2351}}^1$

素因数の和:2916

約数の個数: 20

約数和(自身を含む): 40684896

約数和(自身を除く): 19732784

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 2351, 4456, 4702, 8912, 9404, 18808, 37616, 1309507, 2619014, 5238028, 10476056, 20952112]

約数ペア:

[(1, 20952112), (2, 10476056), (4, 5238028), (8, 2619014), (16, 1309507), (557, 37616), (1114, 18808), (2228, 9404), (2351, 8912), (4456, 4702)]