20239900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6529}}^1$

素因数の和:6574

約数の個数: 36

約数和(自身を含む): 45344320

約数和(自身を除く): 25104420

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6529, 13058, 26116, 32645, 65290, 130580, 163225, 202399, 326450, 404798, 652900, 809596, 1011995, 2023990, 4047980, 5059975, 10119950, 20239900]

約数ペア:

[(1, 20239900), (2, 10119950), (4, 5059975), (5, 4047980), (10, 2023990), (20, 1011995), (25, 809596), (31, 652900), (50, 404798), (62, 326450), (100, 202399), (124, 163225), (155, 130580), (310, 65290), (620, 32645), (775, 26116), (1550, 13058), (3100, 6529)]