20670255

素因数分解:

$3^3\times 5^1\times {\mathrm{153113}}^1$

素因数の和:153127

約数の個数: 16

約数和(自身を含む): 36747360

約数和(自身を除く): 16077105

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 153113, 459339, 765565, 1378017, 2296695, 4134051, 6890085, 20670255]

約数ペア:

[(1, 20670255), (3, 6890085), (5, 4134051), (9, 2296695), (15, 1378017), (27, 765565), (45, 459339), (135, 153113)]