20667032032

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{829069}}^1$

素因数の和:829139

約数の個数: 48

約数和(自身を含む): 43874384400

約数和(自身を除く): 23207352368

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 608, 656, 779, 1312, 1558, 3116, 6232, 12464, 24928, 829069, 1658138, 3316276, 6632552, 13265104, 15752311, 26530208, 31504622, 33991829, 63009244, 67983658, 126018488, 135967316, 252036976, 271934632, 504073952, 543869264, 645844751, 1087738528, 1291689502, 2583379004, 5166758008, 10333516016, 20667032032]

約数ペア:

[(1, 20667032032), (2, 10333516016), (4, 5166758008), (8, 2583379004), (16, 1291689502), (19, 1087738528), (32, 645844751), (38, 543869264), (41, 504073952), (76, 271934632), (82, 252036976), (152, 135967316), (164, 126018488), (304, 67983658), (328, 63009244), (608, 33991829), (656, 31504622), (779, 26530208), (1312, 15752311), (1558, 13265104), (3116, 6632552), (6232, 3316276), (12464, 1658138), (24928, 829069)]