20147070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1289}}^1$

素因数の和:1820

約数の個数: 32

約数和(自身を含む): 48483360

約数和(自身を除く): 28336290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 521, 1042, 1289, 1563, 2578, 2605, 3126, 3867, 5210, 6445, 7734, 7815, 12890, 15630, 19335, 38670, 671569, 1343138, 2014707, 3357845, 4029414, 6715690, 10073535, 20147070]

約数ペア:

[(1, 20147070), (2, 10073535), (3, 6715690), (5, 4029414), (6, 3357845), (10, 2014707), (15, 1343138), (30, 671569), (521, 38670), (1042, 19335), (1289, 15630), (1563, 12890), (2578, 7815), (2605, 7734), (3126, 6445), (3867, 5210)]