20857300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12269}}^1$

素因数の和:12300

約数の個数: 36

約数和(自身を含む): 47926620

約数和(自身を除く): 27069320

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12269, 24538, 49076, 61345, 122690, 208573, 245380, 306725, 417146, 613450, 834292, 1042865, 1226900, 2085730, 4171460, 5214325, 10428650, 20857300]

約数ペア:

[(1, 20857300), (2, 10428650), (4, 5214325), (5, 4171460), (10, 2085730), (17, 1226900), (20, 1042865), (25, 834292), (34, 613450), (50, 417146), (68, 306725), (85, 245380), (100, 208573), (170, 122690), (340, 61345), (425, 49076), (850, 24538), (1700, 12269)]