20688135

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8161}}^1$

素因数の和:8195

約数の個数: 24

約数和(自身を含む): 35847504

約数和(自身を除く): 15159369

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8161, 24483, 40805, 106093, 122415, 318279, 530465, 1379209, 1591395, 4137627, 6896045, 20688135]

約数ペア:

[(1, 20688135), (3, 6896045), (5, 4137627), (13, 1591395), (15, 1379209), (39, 530465), (65, 318279), (169, 122415), (195, 106093), (507, 40805), (845, 24483), (2535, 8161)]