20239140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7177}}^1$

素因数の和:7236

約数の個数: 48

約数和(自身を含む): 57883392

約数和(自身を除く): 37644252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7177, 14354, 21531, 28708, 35885, 43062, 71770, 86124, 107655, 143540, 215310, 337319, 430620, 674638, 1011957, 1349276, 1686595, 2023914, 3373190, 4047828, 5059785, 6746380, 10119570, 20239140]

約数ペア:

[(1, 20239140), (2, 10119570), (3, 6746380), (4, 5059785), (5, 4047828), (6, 3373190), (10, 2023914), (12, 1686595), (15, 1349276), (20, 1011957), (30, 674638), (47, 430620), (60, 337319), (94, 215310), (141, 143540), (188, 107655), (235, 86124), (282, 71770), (470, 43062), (564, 35885), (705, 28708), (940, 21531), (1410, 14354), (2820, 7177)]