20717535

素因数分解:

$3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4357}}^1$

素因数の和:4682

約数の個数: 16

約数和(自身を含む): 33260256

約数和(自身を除く): 12542721

約数列:

[1, 3, 5, 15, 317, 951, 1585, 4357, 4755, 13071, 21785, 65355, 1381169, 4143507, 6905845, 20717535]

約数ペア:

[(1, 20717535), (3, 6905845), (5, 4143507), (15, 1381169), (317, 65355), (951, 21785), (1585, 13071), (4357, 4755)]