2021040920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2972119}}^1$

素因数の和:2972147

約数の個数: 32

約数和(自身を含む): 4814834400

約数和(自身を除く): 2793793480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2972119, 5944238, 11888476, 14860595, 23776952, 29721190, 50526023, 59442380, 101052046, 118884760, 202104092, 252630115, 404208184, 505260230, 1010520460, 2021040920]

約数ペア:

[(1, 2021040920), (2, 1010520460), (4, 505260230), (5, 404208184), (8, 252630115), (10, 202104092), (17, 118884760), (20, 101052046), (34, 59442380), (40, 50526023), (68, 29721190), (85, 23776952), (136, 14860595), (170, 11888476), (340, 5944238), (680, 2972119)]