2015887420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{924719}}^1$

素因数の和:924837

約数の個数: 24

約数和(自身を含む): 4272206400

約数和(自身を除く): 2256318980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 924719, 1849438, 3698876, 4623595, 9247190, 18494380, 100794371, 201588742, 403177484, 503971855, 1007943710, 2015887420]

約数ペア:

[(1, 2015887420), (2, 1007943710), (4, 503971855), (5, 403177484), (10, 201588742), (20, 100794371), (109, 18494380), (218, 9247190), (436, 4623595), (545, 3698876), (1090, 1849438), (2180, 924719)]