20311804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{1063}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 37806048

約数和(自身を除く): 17494244

約数列:

[1, 2, 4, 17, 34, 68, 281, 562, 1063, 1124, 2126, 4252, 4777, 9554, 18071, 19108, 36142, 72284, 298703, 597406, 1194812, 5077951, 10155902, 20311804]

約数ペア:

[(1, 20311804), (2, 10155902), (4, 5077951), (17, 1194812), (34, 597406), (68, 298703), (281, 72284), (562, 36142), (1063, 19108), (1124, 18071), (2126, 9554), (4252, 4777)]