20239845

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1511}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14596635

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 1511, 2679, 4465, 4533, 7555, 13395, 22665, 28709, 71017, 86127, 143545, 213051, 355085, 430635, 1065255, 1349323, 4047969, 6746615, 20239845]

約数ペア:

[(1, 20239845), (3, 6746615), (5, 4047969), (15, 1349323), (19, 1065255), (47, 430635), (57, 355085), (95, 213051), (141, 143545), (235, 86127), (285, 71017), (705, 28709), (893, 22665), (1511, 13395), (2679, 7555), (4465, 4533)]