20183464

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{821}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 43401600

約数和(自身を除く): 23218136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 821, 878, 1642, 1756, 3073, 3284, 3512, 5747, 6146, 6568, 11494, 12292, 22988, 24584, 45976, 360419, 720838, 1441676, 2522933, 2883352, 5045866, 10091732, 20183464]

約数ペア:

[(1, 20183464), (2, 10091732), (4, 5045866), (7, 2883352), (8, 2522933), (14, 1441676), (28, 720838), (56, 360419), (439, 45976), (821, 24584), (878, 22988), (1642, 12292), (1756, 11494), (3073, 6568), (3284, 6146), (3512, 5747)]