20323395

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6361}}^1$

素因数の和:6443

約数の個数: 24

約数和(自身を含む): 35728992

約数和(自身を除く): 15405597

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6361, 19083, 31805, 57249, 95415, 286245, 451631, 1354893, 2258155, 4064679, 6774465, 20323395]

約数ペア:

[(1, 20323395), (3, 6774465), (5, 4064679), (9, 2258155), (15, 1354893), (45, 451631), (71, 286245), (213, 95415), (355, 57249), (639, 31805), (1065, 19083), (3195, 6361)]