20027710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4583}}^1$

素因数の和:4632

約数の個数: 32

約数和(自身を含む): 39605760

約数和(自身を除く): 19578050

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4583, 9166, 22915, 45830, 87077, 105409, 174154, 210818, 435385, 527045, 870770, 1054090, 2002771, 4005542, 10013855, 20027710]

約数ペア:

[(1, 20027710), (2, 10013855), (5, 4005542), (10, 2002771), (19, 1054090), (23, 870770), (38, 527045), (46, 435385), (95, 210818), (115, 174154), (190, 105409), (230, 87077), (437, 45830), (874, 22915), (2185, 9166), (4370, 4583)]