20015280165

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{32545171}}^1$

素因数の和:32545220

約数の個数: 16

約数和(自身を含む): 32805533376

約数和(自身を除く): 12790253211

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 32545171, 97635513, 162725855, 488177565, 1334352011, 4003056033, 6671760055, 20015280165]

約数ペア:

[(1, 20015280165), (3, 6671760055), (5, 4003056033), (15, 1334352011), (41, 488177565), (123, 162725855), (205, 97635513), (615, 32545171)]