20016735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78497}}^1$

素因数の和:78522

約数の個数: 16

約数和(自身を含む): 33911136

約数和(自身を除く): 13894401

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78497, 235491, 392485, 1177455, 1334449, 4003347, 6672245, 20016735]

約数ペア:

[(1, 20016735), (3, 6672245), (5, 4003347), (15, 1334449), (17, 1177455), (51, 392485), (85, 235491), (255, 78497)]