20237300

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1289}}^1$

素因数の和:1460

約数の個数: 36

約数和(自身を含む): 44228940

約数和(自身を除く): 23991640

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1289, 1570, 2578, 3140, 3925, 5156, 6445, 7850, 12890, 15700, 25780, 32225, 64450, 128900, 202373, 404746, 809492, 1011865, 2023730, 4047460, 5059325, 10118650, 20237300]

約数ペア:

[(1, 20237300), (2, 10118650), (4, 5059325), (5, 4047460), (10, 2023730), (20, 1011865), (25, 809492), (50, 404746), (100, 202373), (157, 128900), (314, 64450), (628, 32225), (785, 25780), (1289, 15700), (1570, 12890), (2578, 7850), (3140, 6445), (3925, 5156)]