20813384

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{7247}}^1$

素因数の和:7612

約数の個数: 16

約数和(自身を含む): 39139200

約数和(自身を除く): 18325816

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 7247, 14494, 28988, 57976, 2601673, 5203346, 10406692, 20813384]

約数ペア:

[(1, 20813384), (2, 10406692), (4, 5203346), (8, 2601673), (359, 57976), (718, 28988), (1436, 14494), (2872, 7247)]