20420838

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{8933}}^1$

素因数の和:9068

約数の個数: 24

約数和(自身を含む): 44598528

約数和(自身を除く): 24177690

約数列:

[1, 2, 3, 6, 9, 18, 127, 254, 381, 762, 1143, 2286, 8933, 17866, 26799, 53598, 80397, 160794, 1134491, 2268982, 3403473, 6806946, 10210419, 20420838]

約数ペア:

[(1, 20420838), (2, 10210419), (3, 6806946), (6, 3403473), (9, 2268982), (18, 1134491), (127, 160794), (254, 80397), (381, 53598), (762, 26799), (1143, 17866), (2286, 8933)]