20571568

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{55901}}^1$

素因数の和:55932

約数の個数: 20

約数和(自身を含む): 41591088

約数和(自身を除く): 21019520

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 55901, 111802, 223604, 447208, 894416, 1285723, 2571446, 5142892, 10285784, 20571568]

約数ペア:

[(1, 20571568), (2, 10285784), (4, 5142892), (8, 2571446), (16, 1285723), (23, 894416), (46, 447208), (92, 223604), (184, 111802), (368, 55901)]