20271804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{647}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 54286848

約数和(自身を除く): 34015044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 373, 647, 746, 1119, 1294, 1492, 1941, 2238, 2588, 2611, 3882, 4476, 4529, 5222, 7764, 7833, 9058, 10444, 13587, 15666, 18116, 27174, 31332, 54348, 241331, 482662, 723993, 965324, 1447986, 1689317, 2895972, 3378634, 5067951, 6757268, 10135902, 20271804]

約数ペア:

[(1, 20271804), (2, 10135902), (3, 6757268), (4, 5067951), (6, 3378634), (7, 2895972), (12, 1689317), (14, 1447986), (21, 965324), (28, 723993), (42, 482662), (84, 241331), (373, 54348), (647, 31332), (746, 27174), (1119, 18116), (1294, 15666), (1492, 13587), (1941, 10444), (2238, 9058), (2588, 7833), (2611, 7764), (3882, 5222), (4476, 4529)]