20192795

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 28723200

約数和(自身を除く): 8530405

約数列:

[1, 5, 7, 35, 67, 79, 109, 335, 395, 469, 545, 553, 763, 2345, 2765, 3815, 5293, 7303, 8611, 26465, 36515, 37051, 43055, 51121, 60277, 185255, 255605, 301385, 576937, 2884685, 4038559, 20192795]

約数ペア:

[(1, 20192795), (5, 4038559), (7, 2884685), (35, 576937), (67, 301385), (79, 255605), (109, 185255), (335, 60277), (395, 51121), (469, 43055), (545, 37051), (553, 36515), (763, 26465), (2345, 8611), (2765, 7303), (3815, 5293)]