20798890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7247}}^1$

素因数の和:7302

約数の個数: 32

約数和(自身を含む): 43835904

約数和(自身を除く): 23037014

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7247, 14494, 36235, 50729, 72470, 101458, 253645, 297127, 507290, 594254, 1485635, 2079889, 2971270, 4159778, 10399445, 20798890]

約数ペア:

[(1, 20798890), (2, 10399445), (5, 4159778), (7, 2971270), (10, 2079889), (14, 1485635), (35, 594254), (41, 507290), (70, 297127), (82, 253645), (205, 101458), (287, 72470), (410, 50729), (574, 36235), (1435, 14494), (2870, 7247)]