20010405

素因数分解:

$3^1\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1553}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 32074560

約数和(自身を除く): 12064155

約数列:

[1, 3, 5, 15, 859, 1553, 2577, 4295, 4659, 7765, 12885, 23295, 1334027, 4002081, 6670135, 20010405]

約数ペア:

[(1, 20010405), (3, 6670135), (5, 4002081), (15, 1334027), (859, 23295), (1553, 12885), (2577, 7765), (4295, 4659)]