20659448

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 39748800

約数和(自身を除く): 19089352

約数列:

[1, 2, 4, 8, 79, 97, 158, 194, 316, 337, 388, 632, 674, 776, 1348, 2696, 7663, 15326, 26623, 30652, 32689, 53246, 61304, 65378, 106492, 130756, 212984, 261512, 2582431, 5164862, 10329724, 20659448]

約数ペア:

[(1, 20659448), (2, 10329724), (4, 5164862), (8, 2582431), (79, 261512), (97, 212984), (158, 130756), (194, 106492), (316, 65378), (337, 61304), (388, 53246), (632, 32689), (674, 30652), (776, 26623), (1348, 15326), (2696, 7663)]