20754993

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 33417216

約数和(自身を除く): 12662223

約数列:

[1, 3, 7, 21, 23, 69, 97, 161, 291, 443, 483, 679, 1329, 2037, 2231, 3101, 6693, 9303, 10189, 15617, 30567, 42971, 46851, 71323, 128913, 213969, 300797, 902391, 988333, 2964999, 6918331, 20754993]

約数ペア:

[(1, 20754993), (3, 6918331), (7, 2964999), (21, 988333), (23, 902391), (69, 300797), (97, 213969), (161, 128913), (291, 71323), (443, 46851), (483, 42971), (679, 30567), (1329, 15617), (2037, 10189), (2231, 9303), (3101, 6693)]