20459786

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{967}}^1$

素因数の和:1189

約数の個数: 16

約数和(自身を含む): 31363200

約数和(自身を除く): 10903414

約数列:

[1, 2, 71, 142, 149, 298, 967, 1934, 10579, 21158, 68657, 137314, 144083, 288166, 10229893, 20459786]

約数ペア:

[(1, 20459786), (2, 10229893), (71, 288166), (142, 144083), (149, 137314), (298, 68657), (967, 21158), (1934, 10579)]