20188891160

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1876291}}^1$

素因数の和:1876571

約数の個数: 32

約数和(自身を含む): 45593895600

約数和(自身を除く): 25405004440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 1876291, 3752582, 7505164, 9381455, 15010328, 18762910, 37525820, 75051640, 504722279, 1009444558, 2018889116, 2523611395, 4037778232, 5047222790, 10094445580, 20188891160]

約数ペア:

[(1, 20188891160), (2, 10094445580), (4, 5047222790), (5, 4037778232), (8, 2523611395), (10, 2018889116), (20, 1009444558), (40, 504722279), (269, 75051640), (538, 37525820), (1076, 18762910), (1345, 15010328), (2152, 9381455), (2690, 7505164), (5380, 3752582), (10760, 1876291)]