20590100

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1889}}^1$

素因数の和:2012

約数の個数: 36

約数和(自身を含む): 45114300

約数和(自身を除く): 24524200

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 1889, 2180, 2725, 3778, 5450, 7556, 9445, 10900, 18890, 37780, 47225, 94450, 188900, 205901, 411802, 823604, 1029505, 2059010, 4118020, 5147525, 10295050, 20590100]

約数ペア:

[(1, 20590100), (2, 10295050), (4, 5147525), (5, 4118020), (10, 2059010), (20, 1029505), (25, 823604), (50, 411802), (100, 205901), (109, 188900), (218, 94450), (436, 47225), (545, 37780), (1090, 18890), (1889, 10900), (2180, 9445), (2725, 7556), (3778, 5450)]