20812380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{346873}}^1$

素因数の和:346885

約数の個数: 24

約数和(自身を含む): 58274832

約数和(自身を除く): 37462452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 346873, 693746, 1040619, 1387492, 1734365, 2081238, 3468730, 4162476, 5203095, 6937460, 10406190, 20812380]

約数ペア:

[(1, 20812380), (2, 10406190), (3, 6937460), (4, 5203095), (5, 4162476), (6, 3468730), (10, 2081238), (12, 1734365), (15, 1387492), (20, 1040619), (30, 693746), (60, 346873)]