20908845

素因数分解:

$3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2029}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 36418200

約数和(自身を除く): 15509355

約数列:

[1, 3, 5, 9, 15, 45, 229, 687, 1145, 2029, 2061, 3435, 6087, 10145, 10305, 18261, 30435, 91305, 464641, 1393923, 2323205, 4181769, 6969615, 20908845]

約数ペア:

[(1, 20908845), (3, 6969615), (5, 4181769), (9, 2323205), (15, 1393923), (45, 464641), (229, 91305), (687, 30435), (1145, 18261), (2029, 10305), (2061, 10145), (3435, 6087)]