20703502

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4159}}^1$

素因数の和:4311

約数の個数: 16

約数和(自身を含む): 32947200

約数和(自身を除く): 12243698

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4159, 4978, 8318, 79021, 158042, 544829, 1089658, 10351751, 20703502]

約数ペア:

[(1, 20703502), (2, 10351751), (19, 1089658), (38, 544829), (131, 158042), (262, 79021), (2489, 8318), (4159, 4978)]