20987130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{699571}}^1$

素因数の和:699581

約数の個数: 16

約数和(自身を含む): 50369184

約数和(自身を除く): 29382054

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 699571, 1399142, 2098713, 3497855, 4197426, 6995710, 10493565, 20987130]

約数ペア:

[(1, 20987130), (2, 10493565), (3, 6995710), (5, 4197426), (6, 3497855), (10, 2098713), (15, 1399142), (30, 699571)]