20438706456

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13517663}}^1$

素因数の和:13517685

約数の個数: 64

約数和(自身を含む): 64884787200

約数和(自身を除く): 44446080744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13517663, 27035326, 40552989, 54070652, 81105978, 94623641, 108141304, 121658967, 162211956, 189247282, 243317934, 283870923, 324423912, 364976901, 378494564, 486635868, 567741846, 729953802, 756989128, 851612769, 973271736, 1135483692, 1459907604, 1703225538, 2270967384, 2554838307, 2919815208, 3406451076, 5109676614, 6812902152, 10219353228, 20438706456]

約数ペア:

[(1, 20438706456), (2, 10219353228), (3, 6812902152), (4, 5109676614), (6, 3406451076), (7, 2919815208), (8, 2554838307), (9, 2270967384), (12, 1703225538), (14, 1459907604), (18, 1135483692), (21, 973271736), (24, 851612769), (27, 756989128), (28, 729953802), (36, 567741846), (42, 486635868), (54, 378494564), (56, 364976901), (63, 324423912), (72, 283870923), (84, 243317934), (108, 189247282), (126, 162211956), (168, 121658967), (189, 108141304), (216, 94623641), (252, 81105978), (378, 54070652), (504, 40552989), (756, 27035326), (1512, 13517663)]