20021020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34519}}^1$

素因数の和:34557

約数の個数: 24

約数和(自身を含む): 43495200

約数和(自身を除く): 23474180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34519, 69038, 138076, 172595, 345190, 690380, 1001051, 2002102, 4004204, 5005255, 10010510, 20021020]

約数ペア:

[(1, 20021020), (2, 10010510), (4, 5005255), (5, 4004204), (10, 2002102), (20, 1001051), (29, 690380), (58, 345190), (116, 172595), (145, 138076), (290, 69038), (580, 34519)]