20123280885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1488959}}^1$

素因数の和:1489037

約数の個数: 32

約数和(自身を含む): 34734458880

約数和(自身を除く): 14611177995

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2703, 4505, 13515, 1488959, 4466877, 7444795, 22334385, 25312303, 75936909, 78914827, 126561515, 236744481, 379684545, 394574135, 1183722405, 1341552059, 4024656177, 6707760295, 20123280885]

約数ペア:

[(1, 20123280885), (3, 6707760295), (5, 4024656177), (15, 1341552059), (17, 1183722405), (51, 394574135), (53, 379684545), (85, 236744481), (159, 126561515), (255, 78914827), (265, 75936909), (795, 25312303), (901, 22334385), (2703, 7444795), (4505, 4466877), (13515, 1488959)]