7801472020

素因数分解:

$2^2\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{201797}}^1$

素因数の和:203739

約数の個数: 24

約数和(自身を含む): 16391647944

約数和(自身を除く): 8590175924

約数列:

[1, 2, 4, 5, 10, 20, 1933, 3866, 7732, 9665, 19330, 38660, 201797, 403594, 807188, 1008985, 2017970, 4035940, 390073601, 780147202, 1560294404, 1950368005, 3900736010, 7801472020]

約数ペア:

[(1, 7801472020), (2, 3900736010), (4, 1950368005), (5, 1560294404), (10, 780147202), (20, 390073601), (1933, 4035940), (3866, 2017970), (7732, 1008985), (9665, 807188), (19330, 403594), (38660, 201797)]