20611080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8179}}^1$

素因数の和:8203

約数の個数: 96

約数和(自身を含む): 76564800

約数和(自身を除く): 55953720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8179, 16358, 24537, 32716, 40895, 49074, 57253, 65432, 73611, 81790, 98148, 114506, 122685, 147222, 163580, 171759, 196296, 229012, 245370, 286265, 294444, 327160, 343518, 368055, 458024, 490740, 515277, 572530, 588888, 687036, 736110, 858795, 981480, 1030554, 1145060, 1374072, 1472220, 1717590, 2061108, 2290120, 2576385, 2944440, 3435180, 4122216, 5152770, 6870360, 10305540, 20611080]

約数ペア:

[(1, 20611080), (2, 10305540), (3, 6870360), (4, 5152770), (5, 4122216), (6, 3435180), (7, 2944440), (8, 2576385), (9, 2290120), (10, 2061108), (12, 1717590), (14, 1472220), (15, 1374072), (18, 1145060), (20, 1030554), (21, 981480), (24, 858795), (28, 736110), (30, 687036), (35, 588888), (36, 572530), (40, 515277), (42, 490740), (45, 458024), (56, 368055), (60, 343518), (63, 327160), (70, 294444), (72, 286265), (84, 245370), (90, 229012), (105, 196296), (120, 171759), (126, 163580), (140, 147222), (168, 122685), (180, 114506), (210, 98148), (252, 81790), (280, 73611), (315, 65432), (360, 57253), (420, 49074), (504, 40895), (630, 32716), (840, 24537), (1260, 16358), (2520, 8179)]