20225220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{647}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 56827008

約数和(自身を除く): 36601788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 647, 1042, 1294, 1563, 1941, 2084, 2588, 2605, 3126, 3235, 3882, 5210, 6252, 6470, 7764, 7815, 9705, 10420, 12940, 15630, 19410, 31260, 38820, 337087, 674174, 1011261, 1348348, 1685435, 2022522, 3370870, 4045044, 5056305, 6741740, 10112610, 20225220]

約数ペア:

[(1, 20225220), (2, 10112610), (3, 6741740), (4, 5056305), (5, 4045044), (6, 3370870), (10, 2022522), (12, 1685435), (15, 1348348), (20, 1011261), (30, 674174), (60, 337087), (521, 38820), (647, 31260), (1042, 19410), (1294, 15630), (1563, 12940), (1941, 10420), (2084, 9705), (2588, 7815), (2605, 7764), (3126, 6470), (3235, 6252), (3882, 5210)]