20121880575

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6543701}}^1$

素因数の和:6543755

約数の個数: 24

約数和(自身を含む): 34079600016

約数和(自身を除く): 13957719441

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6543701, 19631103, 32718505, 98155515, 163592525, 268291741, 490777575, 804875223, 1341458705, 4024376115, 6707293525, 20121880575]

約数ペア:

[(1, 20121880575), (3, 6707293525), (5, 4024376115), (15, 1341458705), (25, 804875223), (41, 490777575), (75, 268291741), (123, 163592525), (205, 98155515), (615, 32718505), (1025, 19631103), (3075, 6543701)]