20744607

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 11333985

約数列:

[1, 3, 13, 17, 39, 51, 67, 201, 221, 467, 663, 871, 1139, 1401, 2613, 3417, 6071, 7939, 14807, 18213, 23817, 31289, 44421, 93867, 103207, 309621, 406757, 531913, 1220271, 1595739, 6914869, 20744607]

約数ペア:

[(1, 20744607), (3, 6914869), (13, 1595739), (17, 1220271), (39, 531913), (51, 406757), (67, 309621), (201, 103207), (221, 93867), (467, 44421), (663, 31289), (871, 23817), (1139, 18213), (1401, 14807), (2613, 7939), (3417, 6071)]