20645274

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9127}}^1$

素因数の和:9174

約数の個数: 32

約数和(自身を含む): 46005120

約数和(自身を除く): 25359846

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9127, 18254, 27381, 54762, 118651, 237302, 264683, 355953, 529366, 711906, 794049, 1588098, 3440879, 6881758, 10322637, 20645274]

約数ペア:

[(1, 20645274), (2, 10322637), (3, 6881758), (6, 3440879), (13, 1588098), (26, 794049), (29, 711906), (39, 529366), (58, 355953), (78, 264683), (87, 237302), (174, 118651), (377, 54762), (754, 27381), (1131, 18254), (2262, 9127)]