20019888

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19861}}^1$

素因数の和:19882

約数の個数: 60

約数和(自身を含む): 64035088

約数和(自身を除く): 44015200

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 19861, 39722, 59583, 79444, 119166, 139027, 158888, 178749, 238332, 278054, 317776, 357498, 417081, 476664, 556108, 714996, 834162, 953328, 1112216, 1251243, 1429992, 1668324, 2224432, 2502486, 2859984, 3336648, 5004972, 6673296, 10009944, 20019888]

約数ペア:

[(1, 20019888), (2, 10009944), (3, 6673296), (4, 5004972), (6, 3336648), (7, 2859984), (8, 2502486), (9, 2224432), (12, 1668324), (14, 1429992), (16, 1251243), (18, 1112216), (21, 953328), (24, 834162), (28, 714996), (36, 556108), (42, 476664), (48, 417081), (56, 357498), (63, 317776), (72, 278054), (84, 238332), (112, 178749), (126, 158888), (144, 139027), (168, 119166), (252, 79444), (336, 59583), (504, 39722), (1008, 19861)]