20684670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1987}}^1$

素因数の和:2344

約数の個数: 32

約数和(自身を含む): 49811328

約数和(自身を除く): 29126658

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 347, 694, 1041, 1735, 1987, 2082, 3470, 3974, 5205, 5961, 9935, 10410, 11922, 19870, 29805, 59610, 689489, 1378978, 2068467, 3447445, 4136934, 6894890, 10342335, 20684670]

約数ペア:

[(1, 20684670), (2, 10342335), (3, 6894890), (5, 4136934), (6, 3447445), (10, 2068467), (15, 1378978), (30, 689489), (347, 59610), (694, 29805), (1041, 19870), (1735, 11922), (1987, 10410), (2082, 9935), (3470, 5961), (3974, 5205)]