20663127

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 12284073

約数列:

[1, 3, 9, 19, 27, 47, 57, 141, 171, 423, 513, 857, 893, 1269, 2571, 2679, 7713, 8037, 16283, 23139, 24111, 40279, 48849, 120837, 146547, 362511, 439641, 765301, 1087533, 2295903, 6887709, 20663127]

約数ペア:

[(1, 20663127), (3, 6887709), (9, 2295903), (19, 1087533), (27, 765301), (47, 439641), (57, 362511), (141, 146547), (171, 120837), (423, 48849), (513, 40279), (857, 24111), (893, 23139), (1269, 16283), (2571, 8037), (2679, 7713)]