20171992036

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{467507}}^1$

素因数の和:467608

約数の個数: 48

約数和(自身を含む): 42726491136

約数和(自身を除く): 22554499100

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 67, 92, 134, 161, 268, 322, 469, 644, 938, 1541, 1876, 3082, 6164, 10787, 21574, 43148, 467507, 935014, 1870028, 3272549, 6545098, 10752661, 13090196, 21505322, 31322969, 43010644, 62645938, 75268627, 125291876, 150537254, 219260783, 301074508, 438521566, 720428287, 877043132, 1440856574, 2881713148, 5042998009, 10085996018, 20171992036]

約数ペア:

[(1, 20171992036), (2, 10085996018), (4, 5042998009), (7, 2881713148), (14, 1440856574), (23, 877043132), (28, 720428287), (46, 438521566), (67, 301074508), (92, 219260783), (134, 150537254), (161, 125291876), (268, 75268627), (322, 62645938), (469, 43010644), (644, 31322969), (938, 21505322), (1541, 13090196), (1876, 10752661), (3082, 6545098), (6164, 3272549), (10787, 1870028), (21574, 935014), (43148, 467507)]