20861595

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8747}}^1$

素因数の和:8811

約数の個数: 24

約数和(自身を含む): 36846576

約数和(自身を除く): 15984981

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 8747, 26241, 43735, 78723, 131205, 393615, 463591, 1390773, 2317955, 4172319, 6953865, 20861595]

約数ペア:

[(1, 20861595), (3, 6953865), (5, 4172319), (9, 2317955), (15, 1390773), (45, 463591), (53, 393615), (159, 131205), (265, 78723), (477, 43735), (795, 26241), (2385, 8747)]