20178387507

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1447}}^1\times {\mathrm{2153}}^1$

素因数の和:3747

約数の個数: 32

約数和(自身を含む): 28744630272

約数和(自身を除く): 8566242765

約数列:

[1, 3, 17, 51, 127, 381, 1447, 2153, 2159, 4341, 6459, 6477, 24599, 36601, 73797, 109803, 183769, 273431, 551307, 820293, 3115391, 3124073, 4648327, 9346173, 9372219, 13944981, 52961647, 158884941, 395654657, 1186963971, 6726129169, 20178387507]

約数ペア:

[(1, 20178387507), (3, 6726129169), (17, 1186963971), (51, 395654657), (127, 158884941), (381, 52961647), (1447, 13944981), (2153, 9372219), (2159, 9346173), (4341, 4648327), (6459, 3124073), (6477, 3115391), (24599, 820293), (36601, 551307), (73797, 273431), (109803, 183769)]