20857470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40897}}^1$

素因数の和:40924

約数の個数: 32

約数和(自身を含む): 53003808

約数和(自身を除く): 32146338

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40897, 81794, 122691, 204485, 245382, 408970, 613455, 695249, 1226910, 1390498, 2085747, 3476245, 4171494, 6952490, 10428735, 20857470]

約数ペア:

[(1, 20857470), (2, 10428735), (3, 6952490), (5, 4171494), (6, 3476245), (10, 2085747), (15, 1390498), (17, 1226910), (30, 695249), (34, 613455), (51, 408970), (85, 245382), (102, 204485), (170, 122691), (255, 81794), (510, 40897)]