20530065

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3251}}^1$

素因数の和:3680

約数の個数: 16

約数和(自身を含む): 32936256

約数和(自身を除く): 12406191

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 3251, 6315, 9753, 16255, 48765, 1368671, 4106013, 6843355, 20530065]

約数ペア:

[(1, 20530065), (3, 6843355), (5, 4106013), (15, 1368671), (421, 48765), (1263, 16255), (2105, 9753), (3251, 6315)]