20521198

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5647}}^1$

素因数の和:5751

約数の個数: 16

約数和(自身を含む): 32532480

約数和(自身を除く): 12011282

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 5647, 11294, 129881, 259762, 446113, 892226, 10260599, 20521198]

約数ペア:

[(1, 20521198), (2, 10260599), (23, 892226), (46, 446113), (79, 259762), (158, 129881), (1817, 11294), (3634, 5647)]