20666268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82009}}^1$

素因数の和:82026

約数の個数: 36

約数和(自身を含む): 59703280

約数和(自身を除く): 39037012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82009, 164018, 246027, 328036, 492054, 574063, 738081, 984108, 1148126, 1476162, 1722189, 2296252, 2952324, 3444378, 5166567, 6888756, 10333134, 20666268]

約数ペア:

[(1, 20666268), (2, 10333134), (3, 6888756), (4, 5166567), (6, 3444378), (7, 2952324), (9, 2296252), (12, 1722189), (14, 1476162), (18, 1148126), (21, 984108), (28, 738081), (36, 574063), (42, 492054), (63, 328036), (84, 246027), (126, 164018), (252, 82009)]