20414538

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1471}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 45573120

約数和(自身を除く): 25158582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1471, 1542, 2313, 2942, 4413, 4626, 6939, 8826, 13239, 13878, 26478, 39717, 79434, 378047, 756094, 1134141, 2268282, 3402423, 6804846, 10207269, 20414538]

約数ペア:

[(1, 20414538), (2, 10207269), (3, 6804846), (6, 3402423), (9, 2268282), (18, 1134141), (27, 756094), (54, 378047), (257, 79434), (514, 39717), (771, 26478), (1471, 13878), (1542, 13239), (2313, 8826), (2942, 6939), (4413, 4626)]