20090590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154543}}^1$

素因数の和:154563

約数の個数: 16

約数和(自身を含む): 38945088

約数和(自身を除く): 18854498

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154543, 309086, 772715, 1545430, 2009059, 4018118, 10045295, 20090590]

約数ペア:

[(1, 20090590), (2, 10045295), (5, 4018118), (10, 2009059), (13, 1545430), (26, 772715), (65, 309086), (130, 154543)]