20438538

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{55843}}^1$

素因数の和:55909

約数の個数: 16

約数和(自身を含む): 41547936

約数和(自身を除く): 21109398

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 55843, 111686, 167529, 335058, 3406423, 6812846, 10219269, 20438538]

約数ペア:

[(1, 20438538), (2, 10219269), (3, 6812846), (6, 3406423), (61, 335058), (122, 167529), (183, 111686), (366, 55843)]