20959911

素因数分解:

$3^3\times 7^1\times {\mathrm{110899}}^1$

素因数の和:110915

約数の個数: 16

約数和(自身を含む): 35488000

約数和(自身を除く): 14528089

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 110899, 332697, 776293, 998091, 2328879, 2994273, 6986637, 20959911]

約数ペア:

[(1, 20959911), (3, 6986637), (7, 2994273), (9, 2328879), (21, 998091), (27, 776293), (63, 332697), (189, 110899)]