20018985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{190657}}^1$

素因数の和:190672

約数の個数: 16

約数和(自身を含む): 36606336

約数和(自身を除く): 16587351

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 190657, 571971, 953285, 1334599, 2859855, 4003797, 6672995, 20018985]

約数ペア:

[(1, 20018985), (3, 6672995), (5, 4003797), (7, 2859855), (15, 1334599), (21, 953285), (35, 571971), (105, 190657)]