20289986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14431}}^1$

素因数の和:14489

約数の個数: 16

約数和(自身を含む): 32904960

約数和(自身を除く): 12614974

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14431, 28862, 274189, 533947, 548378, 1067894, 10144993, 20289986]

約数ペア:

[(1, 20289986), (2, 10144993), (19, 1067894), (37, 548378), (38, 533947), (74, 274189), (703, 28862), (1406, 14431)]