20009660121

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{423727}}^1$

素因数の和:423803

約数の個数: 40

約数和(自身を含む): 33223665024

約数和(自身を除く): 13214004903

約数列:

[1, 3, 9, 11, 27, 33, 53, 81, 99, 159, 297, 477, 583, 891, 1431, 1749, 4293, 5247, 15741, 47223, 423727, 1271181, 3813543, 4660997, 11440629, 13982991, 22457531, 34321887, 41948973, 67372593, 125846919, 202117779, 247032841, 377540757, 606353337, 741098523, 1819060011, 2223295569, 6669886707, 20009660121]

約数ペア:

[(1, 20009660121), (3, 6669886707), (9, 2223295569), (11, 1819060011), (27, 741098523), (33, 606353337), (53, 377540757), (81, 247032841), (99, 202117779), (159, 125846919), (297, 67372593), (477, 41948973), (583, 34321887), (891, 22457531), (1431, 13982991), (1749, 11440629), (4293, 4660997), (5247, 3813543), (15741, 1271181), (47223, 423727)]