20298705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 37519104

約数和(自身を除く): 17220399

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 1993, 2037, 3395, 5979, 9965, 10185, 13951, 29895, 41853, 69755, 193321, 209265, 579963, 966605, 1353247, 2899815, 4059741, 6766235, 20298705]

約数ペア:

[(1, 20298705), (3, 6766235), (5, 4059741), (7, 2899815), (15, 1353247), (21, 966605), (35, 579963), (97, 209265), (105, 193321), (291, 69755), (485, 41853), (679, 29895), (1455, 13951), (1993, 10185), (2037, 9965), (3395, 5979)]