20407394

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63377}}^1$

素因数の和:63409

約数の個数: 16

約数和(自身を含む): 36505728

約数和(自身を除く): 16098334

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63377, 126754, 443639, 887278, 1457671, 2915342, 10203697, 20407394]

約数ペア:

[(1, 20407394), (2, 10203697), (7, 2915342), (14, 1457671), (23, 887278), (46, 443639), (161, 126754), (322, 63377)]