20180857473

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{80627}}^1$

素因数の和:80806

約数の個数: 48

約数和(自身を含む): 34715191680

約数和(自身を除く): 14534334207

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 137, 203, 261, 411, 609, 959, 1233, 1827, 2877, 3973, 8631, 11919, 27811, 35757, 80627, 83433, 241881, 250299, 564389, 725643, 1693167, 2338183, 5079501, 7014549, 11045899, 16367281, 21043647, 33137697, 49101843, 77321293, 99413091, 147305529, 231963879, 320331071, 695891637, 960993213, 2242317497, 2882979639, 6726952491, 20180857473]

約数ペア:

[(1, 20180857473), (3, 6726952491), (7, 2882979639), (9, 2242317497), (21, 960993213), (29, 695891637), (63, 320331071), (87, 231963879), (137, 147305529), (203, 99413091), (261, 77321293), (411, 49101843), (609, 33137697), (959, 21043647), (1233, 16367281), (1827, 11045899), (2877, 7014549), (3973, 5079501), (8631, 2338183), (11919, 1693167), (27811, 725643), (35757, 564389), (80627, 250299), (83433, 241881)]