20173860

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{593}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 72648576

約数和(自身を除く): 52474716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 593, 630, 756, 810, 945, 972, 1134, 1186, 1215, 1260, 1620, 1701, 1779, 1890, 2268, 2372, 2430, 2835, 2965, 3402, 3558, 3780, 4151, 4860, 5337, 5670, 5930, 6804, 7116, 8302, 8505, 8895, 10674, 11340, 11860, 12453, 16011, 16604, 17010, 17790, 20755, 21348, 24906, 26685, 32022, 34020, 35580, 37359, 41510, 48033, 49812, 53370, 62265, 64044, 74718, 80055, 83020, 96066, 106740, 112077, 124530, 144099, 149436, 160110, 186795, 192132, 224154, 240165, 249060, 288198, 320220, 336231, 373590, 448308, 480330, 560385, 576396, 672462, 720495, 747180, 960660, 1008693, 1120770, 1344924, 1440990, 1681155, 2017386, 2241540, 2881980, 3362310, 4034772, 5043465, 6724620, 10086930, 20173860]

約数ペア:

[(1, 20173860), (2, 10086930), (3, 6724620), (4, 5043465), (5, 4034772), (6, 3362310), (7, 2881980), (9, 2241540), (10, 2017386), (12, 1681155), (14, 1440990), (15, 1344924), (18, 1120770), (20, 1008693), (21, 960660), (27, 747180), (28, 720495), (30, 672462), (35, 576396), (36, 560385), (42, 480330), (45, 448308), (54, 373590), (60, 336231), (63, 320220), (70, 288198), (81, 249060), (84, 240165), (90, 224154), (105, 192132), (108, 186795), (126, 160110), (135, 149436), (140, 144099), (162, 124530), (180, 112077), (189, 106740), (210, 96066), (243, 83020), (252, 80055), (270, 74718), (315, 64044), (324, 62265), (378, 53370), (405, 49812), (420, 48033), (486, 41510), (540, 37359), (567, 35580), (593, 34020), (630, 32022), (756, 26685), (810, 24906), (945, 21348), (972, 20755), (1134, 17790), (1186, 17010), (1215, 16604), (1260, 16011), (1620, 12453), (1701, 11860), (1779, 11340), (1890, 10674), (2268, 8895), (2372, 8505), (2430, 8302), (2835, 7116), (2965, 6804), (3402, 5930), (3558, 5670), (3780, 5337), (4151, 4860)]