20455254

素因数分解:

$2^1\times 3^5\times {\mathrm{42089}}^1$

素因数の和:42106

約数の個数: 24

約数和(自身を含む): 45962280

約数和(自身を除く): 25507026

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 42089, 84178, 126267, 252534, 378801, 757602, 1136403, 2272806, 3409209, 6818418, 10227627, 20455254]

約数ペア:

[(1, 20455254), (2, 10227627), (3, 6818418), (6, 3409209), (9, 2272806), (18, 1136403), (27, 757602), (54, 378801), (81, 252534), (162, 126267), (243, 84178), (486, 42089)]