20131989217

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{3217}}^1$

素因数の和:3469

約数の個数: 32

約数和(自身を含む): 22183501824

約数和(自身を除く): 2051512607

約数列:

[1, 23, 31, 67, 131, 713, 1541, 2077, 3013, 3217, 4061, 8777, 47771, 73991, 93403, 99727, 201871, 215539, 272087, 421427, 2293721, 4957397, 6258001, 6681709, 9692821, 13064237, 28235609, 153679307, 300477451, 649419007, 875303879, 20131989217]

約数ペア:

[(1, 20131989217), (23, 875303879), (31, 649419007), (67, 300477451), (131, 153679307), (713, 28235609), (1541, 13064237), (2077, 9692821), (3013, 6681709), (3217, 6258001), (4061, 4957397), (8777, 2293721), (47771, 421427), (73991, 272087), (93403, 215539), (99727, 201871)]