20853165

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3851}}^1$

素因数の和:3897

約数の個数: 24

約数和(自身を含む): 35222688

約数和(自身を除く): 14369523

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 3851, 5415, 11553, 19255, 57765, 73169, 219507, 365845, 1097535, 1390211, 4170633, 6951055, 20853165]

約数ペア:

[(1, 20853165), (3, 6951055), (5, 4170633), (15, 1390211), (19, 1097535), (57, 365845), (95, 219507), (285, 73169), (361, 57765), (1083, 19255), (1805, 11553), (3851, 5415)]