20609407

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6121}}^1$

素因数の和:6178

約数の個数: 16

約数和(自身を含む): 26055232

約数和(自身を除く): 5445825

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 6121, 42847, 79573, 226477, 557011, 1585339, 2944201, 20609407]

約数ペア:

[(1, 20609407), (7, 2944201), (13, 1585339), (37, 557011), (91, 226477), (259, 79573), (481, 42847), (3367, 6121)]