17920201

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 20321280

約数和(自身を除く): 2401079

約数列:

[1, 13, 31, 53, 403, 689, 839, 1643, 10907, 21359, 26009, 44467, 338117, 578071, 1378477, 17920201]

約数ペア:

[(1, 17920201), (13, 1378477), (31, 578071), (53, 338117), (403, 44467), (689, 26009), (839, 21359), (1643, 10907)]