20471950

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{4933}}^1$

素因数の和:5028

約数の個数: 24

約数和(自身を含む): 38544408

約数和(自身を除く): 18072458

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 4933, 9866, 24665, 49330, 123325, 246650, 409439, 818878, 2047195, 4094390, 10235975, 20471950]

約数ペア:

[(1, 20471950), (2, 10235975), (5, 4094390), (10, 2047195), (25, 818878), (50, 409439), (83, 246650), (166, 123325), (415, 49330), (830, 24665), (2075, 9866), (4150, 4933)]