20605247

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 23110752

約数和(自身を除く): 2505505

約数列:

[1, 13, 41, 67, 533, 577, 871, 2747, 7501, 23657, 35711, 38659, 307541, 502567, 1585019, 20605247]

約数ペア:

[(1, 20605247), (13, 1585019), (41, 502567), (67, 307541), (533, 38659), (577, 35711), (871, 23657), (2747, 7501)]