20450170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3347}}^1$

素因数の和:3414

約数の個数: 32

約数和(自身を含む): 40497408

約数和(自身を除く): 20047238

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 3347, 6110, 6694, 16735, 33470, 43511, 87022, 157309, 217555, 314618, 435110, 786545, 1573090, 2045017, 4090034, 10225085, 20450170]

約数ペア:

[(1, 20450170), (2, 10225085), (5, 4090034), (10, 2045017), (13, 1573090), (26, 786545), (47, 435110), (65, 314618), (94, 217555), (130, 157309), (235, 87022), (470, 43511), (611, 33470), (1222, 16735), (3055, 6694), (3347, 6110)]