20888913730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1\times {\mathrm{36251}}^1$

素因数の和:38274

約数の個数: 32

約数和(自身を含む): 38917247040

約数和(自身を除く): 18028333310

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 1987, 3974, 9935, 19870, 36251, 57623, 72502, 115246, 181255, 288115, 362510, 576230, 1051279, 2102558, 5256395, 10512790, 72030737, 144061474, 360153685, 720307370, 2088891373, 4177782746, 10444456865, 20888913730]

約数ペア:

[(1, 20888913730), (2, 10444456865), (5, 4177782746), (10, 2088891373), (29, 720307370), (58, 360153685), (145, 144061474), (290, 72030737), (1987, 10512790), (3974, 5256395), (9935, 2102558), (19870, 1051279), (36251, 576230), (57623, 362510), (72502, 288115), (115246, 181255)]