20209670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1873}}^1$

素因数の和:1976

約数の個数: 32

約数和(自身を含む): 39668832

約数和(自身を除く): 19459162

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 1873, 2158, 3746, 5395, 9365, 10790, 18730, 24349, 48698, 121745, 155459, 243490, 310918, 777295, 1554590, 2020967, 4041934, 10104835, 20209670]

約数ペア:

[(1, 20209670), (2, 10104835), (5, 4041934), (10, 2020967), (13, 1554590), (26, 777295), (65, 310918), (83, 243490), (130, 155459), (166, 121745), (415, 48698), (830, 24349), (1079, 18730), (1873, 10790), (2158, 9365), (3746, 5395)]