20257950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4657}}^1$

素因数の和:4701

約数の個数: 48

約数和(自身を含む): 51983280

約数和(自身を除く): 31725330

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4657, 9314, 13971, 23285, 27942, 46570, 69855, 116425, 135053, 139710, 232850, 270106, 349275, 405159, 675265, 698550, 810318, 1350530, 2025795, 3376325, 4051590, 6752650, 10128975, 20257950]

約数ペア:

[(1, 20257950), (2, 10128975), (3, 6752650), (5, 4051590), (6, 3376325), (10, 2025795), (15, 1350530), (25, 810318), (29, 698550), (30, 675265), (50, 405159), (58, 349275), (75, 270106), (87, 232850), (145, 139710), (150, 135053), (174, 116425), (290, 69855), (435, 46570), (725, 27942), (870, 23285), (1450, 13971), (2175, 9314), (4350, 4657)]