20454809870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{108301}}^1$

素因数の和:108437

約数の個数: 64

約数和(自身を含む): 42949973952

約数和(自身を除く): 22495164082

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 101, 110, 170, 187, 202, 374, 505, 935, 1010, 1111, 1717, 1870, 2222, 3434, 5555, 8585, 11110, 17170, 18887, 37774, 94435, 108301, 188870, 216602, 541505, 1083010, 1191311, 1841117, 2382622, 3682234, 5956555, 9205585, 10938401, 11913110, 18411170, 20252287, 21876802, 40504574, 54692005, 101261435, 109384010, 120322411, 185952817, 202522870, 240644822, 371905634, 601612055, 929764085, 1203224110, 1859528170, 2045480987, 4090961974, 10227404935, 20454809870]

約数ペア:

[(1, 20454809870), (2, 10227404935), (5, 4090961974), (10, 2045480987), (11, 1859528170), (17, 1203224110), (22, 929764085), (34, 601612055), (55, 371905634), (85, 240644822), (101, 202522870), (110, 185952817), (170, 120322411), (187, 109384010), (202, 101261435), (374, 54692005), (505, 40504574), (935, 21876802), (1010, 20252287), (1111, 18411170), (1717, 11913110), (1870, 10938401), (2222, 9205585), (3434, 5956555), (5555, 3682234), (8585, 2382622), (11110, 1841117), (17170, 1191311), (18887, 1083010), (37774, 541505), (94435, 216602), (108301, 188870)]