20701835

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3163}}^1$

素因数の和:3203

約数の個数: 32

約数和(自身を含む): 32804352

約数和(自身を除く): 12102517

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 3163, 6545, 15815, 22141, 34793, 53771, 110705, 173965, 243551, 268855, 376397, 591481, 1217755, 1881985, 2957405, 4140367, 20701835]

約数ペア:

[(1, 20701835), (5, 4140367), (7, 2957405), (11, 1881985), (17, 1217755), (35, 591481), (55, 376397), (77, 268855), (85, 243551), (119, 173965), (187, 110705), (385, 53771), (595, 34793), (935, 22141), (1309, 15815), (3163, 6545)]