20367908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12511}}^1$

素因数の和:12563

約数の個数: 24

約数和(自身を含む): 39938304

約数和(自身を除く): 19570396

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12511, 25022, 50044, 137621, 275242, 462907, 550484, 925814, 1851628, 5091977, 10183954, 20367908]

約数ペア:

[(1, 20367908), (2, 10183954), (4, 5091977), (11, 1851628), (22, 925814), (37, 550484), (44, 462907), (74, 275242), (148, 137621), (407, 50044), (814, 25022), (1628, 12511)]