20280758

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3001}}^1$

素因数の和:3143

約数の個数: 16

約数和(自身を含む): 31701120

約数和(自身を除く): 11420362

約数列:

[1, 2, 31, 62, 109, 218, 3001, 3379, 6002, 6758, 93031, 186062, 327109, 654218, 10140379, 20280758]

約数ペア:

[(1, 20280758), (2, 10140379), (31, 654218), (62, 327109), (109, 186062), (218, 93031), (3001, 6758), (3379, 6002)]