20495745100

素因数分解:

$2^2\times 5^2\times {\mathrm{823}}^1\times {\mathrm{249037}}^1$

素因数の和:249874

約数の個数: 36

約数和(自身を含む): 44529986704

約数和(自身を除く): 24034241604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 823, 1646, 3292, 4115, 8230, 16460, 20575, 41150, 82300, 249037, 498074, 996148, 1245185, 2490370, 4980740, 6225925, 12451850, 24903700, 204957451, 409914902, 819829804, 1024787255, 2049574510, 4099149020, 5123936275, 10247872550, 20495745100]

約数ペア:

[(1, 20495745100), (2, 10247872550), (4, 5123936275), (5, 4099149020), (10, 2049574510), (20, 1024787255), (25, 819829804), (50, 409914902), (100, 204957451), (823, 24903700), (1646, 12451850), (3292, 6225925), (4115, 4980740), (8230, 2490370), (16460, 1245185), (20575, 996148), (41150, 498074), (82300, 249037)]