20456458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22679}}^1$

素因数の和:22733

約数の個数: 16

約数和(自身を含む): 34292160

約数和(自身を除く): 13835702

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22679, 45358, 249469, 498938, 929839, 1859678, 10228229, 20456458]

約数ペア:

[(1, 20456458), (2, 10228229), (11, 1859678), (22, 929839), (41, 498938), (82, 249469), (451, 45358), (902, 22679)]