20488868

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 36842400

約数和(自身を除く): 16353532

約数列:

[1, 2, 4, 67, 89, 134, 178, 268, 356, 859, 1718, 3436, 5963, 11926, 23852, 57553, 76451, 115106, 152902, 230212, 305804, 5122217, 10244434, 20488868]

約数ペア:

[(1, 20488868), (2, 10244434), (4, 5122217), (67, 305804), (89, 230212), (134, 152902), (178, 115106), (268, 76451), (356, 57553), (859, 23852), (1718, 11926), (3436, 5963)]