20187448

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81401}}^1$

素因数の和:81438

約数の個数: 16

約数和(自身を含む): 39072960

約数和(自身を除く): 18885512

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81401, 162802, 325604, 651208, 2523431, 5046862, 10093724, 20187448]

約数ペア:

[(1, 20187448), (2, 10093724), (4, 5046862), (8, 2523431), (31, 651208), (62, 325604), (124, 162802), (248, 81401)]