19954440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5039}}^1$

素因数の和:5067

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 50807160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5039, 10078, 15117, 20156, 25195, 30234, 40312, 45351, 50390, 55429, 60468, 75585, 90702, 100780, 110858, 120936, 151170, 166287, 181404, 201560, 221716, 226755, 277145, 302340, 332574, 362808, 443432, 453510, 498861, 554290, 604680, 665148, 831435, 907020, 997722, 1108580, 1330296, 1662870, 1814040, 1995444, 2217160, 2494305, 3325740, 3990888, 4988610, 6651480, 9977220, 19954440]

約数ペア:

[(1, 19954440), (2, 9977220), (3, 6651480), (4, 4988610), (5, 3990888), (6, 3325740), (8, 2494305), (9, 2217160), (10, 1995444), (11, 1814040), (12, 1662870), (15, 1330296), (18, 1108580), (20, 997722), (22, 907020), (24, 831435), (30, 665148), (33, 604680), (36, 554290), (40, 498861), (44, 453510), (45, 443432), (55, 362808), (60, 332574), (66, 302340), (72, 277145), (88, 226755), (90, 221716), (99, 201560), (110, 181404), (120, 166287), (132, 151170), (165, 120936), (180, 110858), (198, 100780), (220, 90702), (264, 75585), (330, 60468), (360, 55429), (396, 50390), (440, 45351), (495, 40312), (660, 30234), (792, 25195), (990, 20156), (1320, 15117), (1980, 10078), (3960, 5039)]