20147591890

素因数分解:

$2^1\times 5^1\times {\mathrm{19927}}^1\times {\mathrm{101107}}^1$

素因数の和:121041

約数の個数: 16

約数和(自身を含む): 36267844032

約数和(自身を除く): 16120252142

約数列:

[1, 2, 5, 10, 19927, 39854, 99635, 101107, 199270, 202214, 505535, 1011070, 2014759189, 4029518378, 10073795945, 20147591890]

約数ペア:

[(1, 20147591890), (2, 10073795945), (5, 4029518378), (10, 2014759189), (19927, 1011070), (39854, 505535), (99635, 202214), (101107, 199270)]