20587959

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1123}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 35248640

約数和(自身を除く): 14660681

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 1123, 2037, 2619, 3369, 6111, 7861, 10107, 18333, 23583, 30321, 70749, 108931, 212247, 326793, 762517, 980379, 2287551, 2941137, 6862653, 20587959]

約数ペア:

[(1, 20587959), (3, 6862653), (7, 2941137), (9, 2287551), (21, 980379), (27, 762517), (63, 326793), (97, 212247), (189, 108931), (291, 70749), (679, 30321), (873, 23583), (1123, 18333), (2037, 10107), (2619, 7861), (3369, 6111)]