20655310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2693}}^1$

素因数の和:2772

約数の個数: 32

約数和(自身を含む): 40733280

約数和(自身を除く): 20077970

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2693, 3835, 5386, 7670, 13465, 26930, 35009, 70018, 158887, 175045, 317774, 350090, 794435, 1588870, 2065531, 4131062, 10327655, 20655310]

約数ペア:

[(1, 20655310), (2, 10327655), (5, 4131062), (10, 2065531), (13, 1588870), (26, 794435), (59, 350090), (65, 317774), (118, 175045), (130, 158887), (295, 70018), (590, 35009), (767, 26930), (1534, 13465), (2693, 7670), (3835, 5386)]