20820210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16927}}^1$

素因数の和:16978

約数の個数: 32

約数和(自身を含む): 51190272

約数和(自身を除く): 30370062

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 16927, 33854, 50781, 84635, 101562, 169270, 253905, 507810, 694007, 1388014, 2082021, 3470035, 4164042, 6940070, 10410105, 20820210]

約数ペア:

[(1, 20820210), (2, 10410105), (3, 6940070), (5, 4164042), (6, 3470035), (10, 2082021), (15, 1388014), (30, 694007), (41, 507810), (82, 253905), (123, 169270), (205, 101562), (246, 84635), (410, 50781), (615, 33854), (1230, 16927)]