20145707900

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1235933}}^1$

素因数の和:1236110

約数の個数: 36

約数和(自身を含む): 43984419192

約数和(自身を除く): 23838711292

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 815, 1630, 3260, 4075, 8150, 16300, 1235933, 2471866, 4943732, 6179665, 12359330, 24718660, 30898325, 61796650, 123593300, 201457079, 402914158, 805828316, 1007285395, 2014570790, 4029141580, 5036426975, 10072853950, 20145707900]

約数ペア:

[(1, 20145707900), (2, 10072853950), (4, 5036426975), (5, 4029141580), (10, 2014570790), (20, 1007285395), (25, 805828316), (50, 402914158), (100, 201457079), (163, 123593300), (326, 61796650), (652, 30898325), (815, 24718660), (1630, 12359330), (3260, 6179665), (4075, 4943732), (8150, 2471866), (16300, 1235933)]