20310468

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 50232000

約数和(自身を除く): 29921532

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 229, 389, 458, 687, 778, 916, 1167, 1374, 1556, 2334, 2748, 4351, 4668, 7391, 8702, 13053, 14782, 17404, 22173, 26106, 29564, 44346, 52212, 88692, 89081, 178162, 267243, 356324, 534486, 1068972, 1692539, 3385078, 5077617, 6770156, 10155234, 20310468]

約数ペア:

[(1, 20310468), (2, 10155234), (3, 6770156), (4, 5077617), (6, 3385078), (12, 1692539), (19, 1068972), (38, 534486), (57, 356324), (76, 267243), (114, 178162), (228, 89081), (229, 88692), (389, 52212), (458, 44346), (687, 29564), (778, 26106), (916, 22173), (1167, 17404), (1374, 14782), (1556, 13053), (2334, 8702), (2748, 7391), (4351, 4668)]