20540490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{684683}}^1$

素因数の和:684693

約数の個数: 16

約数和(自身を含む): 49297248

約数和(自身を除く): 28756758

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 684683, 1369366, 2054049, 3423415, 4108098, 6846830, 10270245, 20540490]

約数ペア:

[(1, 20540490), (2, 10270245), (3, 6846830), (5, 4108098), (6, 3423415), (10, 2054049), (15, 1369366), (30, 684683)]