20256483

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 30514176

約数和(自身を除く): 10257693

約数列:

[1, 3, 13, 39, 43, 47, 129, 141, 257, 559, 611, 771, 1677, 1833, 2021, 3341, 6063, 10023, 11051, 12079, 26273, 33153, 36237, 78819, 143663, 157027, 430989, 471081, 519397, 1558191, 6752161, 20256483]

約数ペア:

[(1, 20256483), (3, 6752161), (13, 1558191), (39, 519397), (43, 471081), (47, 430989), (129, 157027), (141, 143663), (257, 78819), (559, 36237), (611, 33153), (771, 26273), (1677, 12079), (1833, 11051), (2021, 10023), (3341, 6063)]