20115885

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{25303}}^1$

素因数の和:25364

約数の個数: 16

約数和(自身を含む): 32793984

約数和(自身を除く): 12678099

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 25303, 75909, 126515, 379545, 1341059, 4023177, 6705295, 20115885]

約数ペア:

[(1, 20115885), (3, 6705295), (5, 4023177), (15, 1341059), (53, 379545), (159, 126515), (265, 75909), (795, 25303)]