20164140

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{461}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 63645120

約数和(自身を除く): 43480980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 461, 486, 540, 729, 810, 922, 972, 1215, 1383, 1458, 1620, 1844, 2187, 2305, 2430, 2766, 2916, 3645, 4149, 4374, 4610, 4860, 5532, 6915, 7290, 8298, 8748, 9220, 10935, 12447, 13830, 14580, 16596, 20745, 21870, 24894, 27660, 37341, 41490, 43740, 49788, 62235, 74682, 82980, 112023, 124470, 149364, 186705, 224046, 248940, 336069, 373410, 448092, 560115, 672138, 746820, 1008207, 1120230, 1344276, 1680345, 2016414, 2240460, 3360690, 4032828, 5041035, 6721380, 10082070, 20164140]

約数ペア:

[(1, 20164140), (2, 10082070), (3, 6721380), (4, 5041035), (5, 4032828), (6, 3360690), (9, 2240460), (10, 2016414), (12, 1680345), (15, 1344276), (18, 1120230), (20, 1008207), (27, 746820), (30, 672138), (36, 560115), (45, 448092), (54, 373410), (60, 336069), (81, 248940), (90, 224046), (108, 186705), (135, 149364), (162, 124470), (180, 112023), (243, 82980), (270, 74682), (324, 62235), (405, 49788), (461, 43740), (486, 41490), (540, 37341), (729, 27660), (810, 24894), (922, 21870), (972, 20745), (1215, 16596), (1383, 14580), (1458, 13830), (1620, 12447), (1844, 10935), (2187, 9220), (2305, 8748), (2430, 8298), (2766, 7290), (2916, 6915), (3645, 5532), (4149, 4860), (4374, 4610)]