20253891

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 31886848

約数和(自身を除く): 11632957

約数列:

[1, 3, 7, 21, 61, 97, 163, 183, 291, 427, 489, 679, 1141, 1281, 2037, 3423, 5917, 9943, 15811, 17751, 29829, 41419, 47433, 69601, 110677, 124257, 208803, 332031, 964471, 2893413, 6751297, 20253891]

約数ペア:

[(1, 20253891), (3, 6751297), (7, 2893413), (21, 964471), (61, 332031), (97, 208803), (163, 124257), (183, 110677), (291, 69601), (427, 47433), (489, 41419), (679, 29829), (1141, 17751), (1281, 15811), (2037, 9943), (3423, 5917)]