20178875331

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{387839}}^1$

素因数の和:387936

約数の個数: 32

約数和(自身を含む): 31275417600

約数和(自身を除く): 11096542269

約数列:

[1, 3, 9, 27, 41, 47, 123, 141, 369, 423, 1107, 1269, 1927, 5781, 17343, 52029, 387839, 1163517, 3490551, 10471653, 15901399, 18228433, 47704197, 54685299, 143112591, 164055897, 429337773, 492167691, 747365753, 2242097259, 6726291777, 20178875331]

約数ペア:

[(1, 20178875331), (3, 6726291777), (9, 2242097259), (27, 747365753), (41, 492167691), (47, 429337773), (123, 164055897), (141, 143112591), (369, 54685299), (423, 47704197), (1107, 18228433), (1269, 15901399), (1927, 10471653), (5781, 3490551), (17343, 1163517), (52029, 387839)]