20184440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29683}}^1$

素因数の和:29711

約数の個数: 32

約数和(自身を含む): 48088080

約数和(自身を除く): 27903640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29683, 59366, 118732, 148415, 237464, 296830, 504611, 593660, 1009222, 1187320, 2018444, 2523055, 4036888, 5046110, 10092220, 20184440]

約数ペア:

[(1, 20184440), (2, 10092220), (4, 5046110), (5, 4036888), (8, 2523055), (10, 2018444), (17, 1187320), (20, 1009222), (34, 593660), (40, 504611), (68, 296830), (85, 237464), (136, 148415), (170, 118732), (340, 59366), (680, 29683)]