187456420

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{9091}}^1$

素因数の和:10131

約数の個数: 24

約数和(自身を含む): 394083648

約数和(自身を除く): 206627228

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 9091, 10310, 18182, 20620, 36364, 45455, 90910, 181820, 9372821, 18745642, 37491284, 46864105, 93728210, 187456420]

約数ペア:

[(1, 187456420), (2, 93728210), (4, 46864105), (5, 37491284), (10, 18745642), (20, 9372821), (1031, 181820), (2062, 90910), (4124, 45455), (5155, 36364), (9091, 20620), (10310, 18182)]