20178834723

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{548323}}^1$

素因数の和:548408

約数の個数: 32

約数和(自身を含む): 31583462400

約数和(自身を除く): 11404627677

約数列:

[1, 3, 9, 27, 29, 47, 87, 141, 261, 423, 783, 1269, 1363, 4089, 12267, 36801, 548323, 1644969, 4934907, 14804721, 15901367, 25771181, 47704101, 77313543, 143112303, 231940629, 429336909, 695821887, 747364249, 2242092747, 6726278241, 20178834723]

約数ペア:

[(1, 20178834723), (3, 6726278241), (9, 2242092747), (27, 747364249), (29, 695821887), (47, 429336909), (87, 231940629), (141, 143112303), (261, 77313543), (423, 47704101), (783, 25771181), (1269, 15901367), (1363, 14804721), (4089, 4934907), (12267, 1644969), (36801, 548323)]