20063985

素因数分解:

$3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4357}}^1$

素因数の和:4672

約数の個数: 16

約数和(自身を含む): 32214336

約数和(自身を除く): 12150351

約数列:

[1, 3, 5, 15, 307, 921, 1535, 4357, 4605, 13071, 21785, 65355, 1337599, 4012797, 6687995, 20063985]

約数ペア:

[(1, 20063985), (3, 6687995), (5, 4012797), (15, 1337599), (307, 65355), (921, 21785), (1535, 13071), (4357, 4605)]