20481297

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 30289920

約数和(自身を除く): 9808623

約数列:

[1, 3, 19, 31, 57, 67, 93, 173, 201, 519, 589, 1273, 1767, 2077, 3287, 3819, 5363, 6231, 9861, 11591, 16089, 34773, 39463, 101897, 118389, 220229, 305691, 359321, 660687, 1077963, 6827099, 20481297]

約数ペア:

[(1, 20481297), (3, 6827099), (19, 1077963), (31, 660687), (57, 359321), (67, 305691), (93, 220229), (173, 118389), (201, 101897), (519, 39463), (589, 34773), (1273, 16089), (1767, 11591), (2077, 9861), (3287, 6231), (3819, 5363)]