20189746660

素因数分解:

$2^2\times 5^1\times {\mathrm{5279}}^1\times {\mathrm{191227}}^1$

素因数の和:196515

約数の個数: 24

約数和(自身を含む): 42406721280

約数和(自身を除く): 22216974620

約数列:

[1, 2, 4, 5, 10, 20, 5279, 10558, 21116, 26395, 52790, 105580, 191227, 382454, 764908, 956135, 1912270, 3824540, 1009487333, 2018974666, 4037949332, 5047436665, 10094873330, 20189746660]

約数ペア:

[(1, 20189746660), (2, 10094873330), (4, 5047436665), (5, 4037949332), (10, 2018974666), (20, 1009487333), (5279, 3824540), (10558, 1912270), (21116, 956135), (26395, 764908), (52790, 382454), (105580, 191227)]