20030387

素因数分解:

${\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:183

約数の個数: 24

約数和(自身を含む): 23145840

約数和(自身を除く): 3115453

約数列:

[1, 13, 29, 61, 67, 169, 377, 793, 871, 1769, 1943, 4087, 4901, 10309, 11323, 22997, 25259, 53131, 118523, 298961, 328367, 690703, 1540799, 20030387]

約数ペア:

[(1, 20030387), (13, 1540799), (29, 690703), (61, 328367), (67, 298961), (169, 118523), (377, 53131), (793, 25259), (871, 22997), (1769, 11323), (1943, 10309), (4087, 4901)]