20200601960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{64937}}^1$

素因数の和:65067

約数の個数: 128

約数和(自身を含む): 57228560640

約数和(自身を除く): 37027958680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 101, 110, 140, 154, 202, 220, 280, 308, 385, 404, 440, 505, 616, 707, 770, 808, 1010, 1111, 1414, 1540, 2020, 2222, 2828, 3080, 3535, 4040, 4444, 5555, 5656, 7070, 7777, 8888, 11110, 14140, 15554, 22220, 28280, 31108, 38885, 44440, 62216, 64937, 77770, 129874, 155540, 259748, 311080, 324685, 454559, 519496, 649370, 714307, 909118, 1298740, 1428614, 1818236, 2272795, 2597480, 2857228, 3571535, 3636472, 4545590, 5000149, 5714456, 6558637, 7143070, 9091180, 10000298, 13117274, 14286140, 18182360, 20000596, 25000745, 26234548, 28572280, 32793185, 40001192, 45910459, 50001490, 52469096, 65586370, 72145007, 91820918, 100002980, 131172740, 144290014, 183641836, 200005960, 229552295, 262345480, 288580028, 360725035, 367283672, 459104590, 505015049, 577160056, 721450070, 918209180, 1010030098, 1442900140, 1836418360, 2020060196, 2525075245, 2885800280, 4040120392, 5050150490, 10100300980, 20200601960]

約数ペア:

[(1, 20200601960), (2, 10100300980), (4, 5050150490), (5, 4040120392), (7, 2885800280), (8, 2525075245), (10, 2020060196), (11, 1836418360), (14, 1442900140), (20, 1010030098), (22, 918209180), (28, 721450070), (35, 577160056), (40, 505015049), (44, 459104590), (55, 367283672), (56, 360725035), (70, 288580028), (77, 262345480), (88, 229552295), (101, 200005960), (110, 183641836), (140, 144290014), (154, 131172740), (202, 100002980), (220, 91820918), (280, 72145007), (308, 65586370), (385, 52469096), (404, 50001490), (440, 45910459), (505, 40001192), (616, 32793185), (707, 28572280), (770, 26234548), (808, 25000745), (1010, 20000596), (1111, 18182360), (1414, 14286140), (1540, 13117274), (2020, 10000298), (2222, 9091180), (2828, 7143070), (3080, 6558637), (3535, 5714456), (4040, 5000149), (4444, 4545590), (5555, 3636472), (5656, 3571535), (7070, 2857228), (7777, 2597480), (8888, 2272795), (11110, 1818236), (14140, 1428614), (15554, 1298740), (22220, 909118), (28280, 714307), (31108, 649370), (38885, 519496), (44440, 454559), (62216, 324685), (64937, 311080), (77770, 259748), (129874, 155540)]