20189855660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77653291}}^1$

素因数の和:77653313

約数の個数: 24

約数和(自身を含む): 45660135696

約数和(自身を除く): 25470280036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77653291, 155306582, 310613164, 388266455, 776532910, 1009492783, 1553065820, 2018985566, 4037971132, 5047463915, 10094927830, 20189855660]

約数ペア:

[(1, 20189855660), (2, 10094927830), (4, 5047463915), (5, 4037971132), (10, 2018985566), (13, 1553065820), (20, 1009492783), (26, 776532910), (52, 388266455), (65, 310613164), (130, 155306582), (260, 77653291)]