20702350

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9629}}^1$

素因数の和:9684

約数の個数: 24

約数和(自身を含む): 39405960

約数和(自身を除く): 18703610

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9629, 19258, 48145, 96290, 240725, 414047, 481450, 828094, 2070235, 4140470, 10351175, 20702350]

約数ペア:

[(1, 20702350), (2, 10351175), (5, 4140470), (10, 2070235), (25, 828094), (43, 481450), (50, 414047), (86, 240725), (215, 96290), (430, 48145), (1075, 19258), (2150, 9629)]