20458646

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7219}}^1$

素因数の和:7343

約数の個数: 16

約数和(自身を含む): 33356400

約数和(自身を除く): 12897754

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 7219, 14438, 93847, 187694, 786871, 1573742, 10229323, 20458646]

約数ペア:

[(1, 20458646), (2, 10229323), (13, 1573742), (26, 786871), (109, 187694), (218, 93847), (1417, 14438), (2834, 7219)]