20042575

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6737}}^1$

素因数の和:6771

約数の個数: 24

約数和(自身を含む): 30078432

約数和(自身を除く): 10035857

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6737, 33685, 47159, 114529, 168425, 235795, 572645, 801703, 1178975, 2863225, 4008515, 20042575]

約数ペア:

[(1, 20042575), (5, 4008515), (7, 2863225), (17, 1178975), (25, 801703), (35, 572645), (85, 235795), (119, 168425), (175, 114529), (425, 47159), (595, 33685), (2975, 6737)]