20581074

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1483}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 45944640

約数和(自身を除く): 25363566

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1483, 1542, 2313, 2966, 4449, 4626, 6939, 8898, 13347, 13878, 26694, 40041, 80082, 381131, 762262, 1143393, 2286786, 3430179, 6860358, 10290537, 20581074]

約数ペア:

[(1, 20581074), (2, 10290537), (3, 6860358), (6, 3430179), (9, 2286786), (18, 1143393), (27, 762262), (54, 381131), (257, 80082), (514, 40041), (771, 26694), (1483, 13878), (1542, 13347), (2313, 8898), (2966, 6939), (4449, 4626)]