20934536

素因数分解:

$2^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{691}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 45007680

約数和(自身を除く): 24073144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 541, 691, 1082, 1382, 2164, 2764, 3787, 4328, 4837, 5528, 7574, 9674, 15148, 19348, 30296, 38696, 373831, 747662, 1495324, 2616817, 2990648, 5233634, 10467268, 20934536]

約数ペア:

[(1, 20934536), (2, 10467268), (4, 5233634), (7, 2990648), (8, 2616817), (14, 1495324), (28, 747662), (56, 373831), (541, 38696), (691, 30296), (1082, 19348), (1382, 15148), (2164, 9674), (2764, 7574), (3787, 5528), (4328, 4837)]