20659304

素因数分解:

$2^3\times {\mathrm{1601}}^1\times {\mathrm{1613}}^1$

素因数の和:3220

約数の個数: 16

約数和(自身を含む): 38784420

約数和(自身を除く): 18125116

約数列:

[1, 2, 4, 8, 1601, 1613, 3202, 3226, 6404, 6452, 12808, 12904, 2582413, 5164826, 10329652, 20659304]

約数ペア:

[(1, 20659304), (2, 10329652), (4, 5164826), (8, 2582413), (1601, 12904), (1613, 12808), (3202, 6452), (3226, 6404)]