20605575

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6701}}^1$

素因数の和:6755

約数の個数: 24

約数和(自身を含む): 34904016

約数和(自身を除く): 14298441

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6701, 20103, 33505, 100515, 167525, 274741, 502575, 824223, 1373705, 4121115, 6868525, 20605575]

約数ペア:

[(1, 20605575), (3, 6868525), (5, 4121115), (15, 1373705), (25, 824223), (41, 502575), (75, 274741), (123, 167525), (205, 100515), (615, 33505), (1025, 20103), (3075, 6701)]