20206750

素因数分解:

$2^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 38177568

約数和(自身を除く): 17970818

約数列:

[1, 2, 5, 10, 25, 50, 125, 131, 250, 262, 617, 655, 1234, 1310, 3085, 3275, 6170, 6550, 15425, 16375, 30850, 32750, 77125, 80827, 154250, 161654, 404135, 808270, 2020675, 4041350, 10103375, 20206750]

約数ペア:

[(1, 20206750), (2, 10103375), (5, 4041350), (10, 2020675), (25, 808270), (50, 404135), (125, 161654), (131, 154250), (250, 80827), (262, 77125), (617, 32750), (655, 30850), (1234, 16375), (1310, 15425), (3085, 6550), (3275, 6170)]