20997550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3529}}^1$

素因数の和:3565

約数の個数: 48

約数和(自身を含む): 47273760

約数和(自身を除く): 26276210

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 238, 350, 425, 595, 850, 1190, 2975, 3529, 5950, 7058, 17645, 24703, 35290, 49406, 59993, 88225, 119986, 123515, 176450, 247030, 299965, 419951, 599930, 617575, 839902, 1235150, 1499825, 2099755, 2999650, 4199510, 10498775, 20997550]

約数ペア:

[(1, 20997550), (2, 10498775), (5, 4199510), (7, 2999650), (10, 2099755), (14, 1499825), (17, 1235150), (25, 839902), (34, 617575), (35, 599930), (50, 419951), (70, 299965), (85, 247030), (119, 176450), (170, 123515), (175, 119986), (238, 88225), (350, 59993), (425, 49406), (595, 35290), (850, 24703), (1190, 17645), (2975, 7058), (3529, 5950)]