20657206

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{1163}}^1$

素因数の和:1355

約数の個数: 16

約数和(自身を含む): 31679424

約数和(自身を除く): 11022218

約数列:

[1, 2, 83, 107, 166, 214, 1163, 2326, 8881, 17762, 96529, 124441, 193058, 248882, 10328603, 20657206]

約数ペア:

[(1, 20657206), (2, 10328603), (83, 248882), (107, 193058), (166, 124441), (214, 96529), (1163, 17762), (2326, 8881)]