20859112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1259}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 41580000

約数和(自身を除く): 20720888

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1259, 2071, 2518, 4142, 5036, 8284, 10072, 16568, 23921, 47842, 95684, 137231, 191368, 274462, 548924, 1097848, 2607389, 5214778, 10429556, 20859112]

約数ペア:

[(1, 20859112), (2, 10429556), (4, 5214778), (8, 2607389), (19, 1097848), (38, 548924), (76, 274462), (109, 191368), (152, 137231), (218, 95684), (436, 47842), (872, 23921), (1259, 16568), (2071, 10072), (2518, 8284), (4142, 5036)]