20717507531

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{9293}}^1$

素因数の和:9611

約数の個数: 32

約数和(自身を含む): 25224956928

約数和(自身を除く): 4507449397

約数列:

[1, 7, 23, 61, 161, 227, 427, 1403, 1589, 5221, 9293, 9821, 13847, 36547, 65051, 96929, 213739, 318481, 566873, 1496173, 2109511, 2229367, 3968111, 13038079, 14766577, 48518753, 91266553, 128680171, 339631271, 900761197, 2959643933, 20717507531]

約数ペア:

[(1, 20717507531), (7, 2959643933), (23, 900761197), (61, 339631271), (161, 128680171), (227, 91266553), (427, 48518753), (1403, 14766577), (1589, 13038079), (5221, 3968111), (9293, 2229367), (9821, 2109511), (13847, 1496173), (36547, 566873), (65051, 318481), (96929, 213739)]