20199061960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{61291}}^1$

素因数の和:61427

約数の個数: 128

約数和(自身を含む): 57192791040

約数和(自身を除く): 36993729080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 107, 110, 140, 154, 214, 220, 280, 308, 385, 428, 440, 535, 616, 749, 770, 856, 1070, 1177, 1498, 1540, 2140, 2354, 2996, 3080, 3745, 4280, 4708, 5885, 5992, 7490, 8239, 9416, 11770, 14980, 16478, 23540, 29960, 32956, 41195, 47080, 61291, 65912, 82390, 122582, 164780, 245164, 306455, 329560, 429037, 490328, 612910, 674201, 858074, 1225820, 1348402, 1716148, 2145185, 2451640, 2696804, 3371005, 3432296, 4290370, 4719407, 5393608, 6558137, 6742010, 8580740, 9438814, 13116274, 13484020, 17161480, 18877628, 23597035, 26232548, 26968040, 32790685, 37755256, 45906959, 47194070, 52465096, 65581370, 72139507, 91813918, 94388140, 131162740, 144279014, 183627836, 188776280, 229534795, 262325480, 288558028, 360697535, 367255672, 459069590, 504976549, 577116056, 721395070, 918139180, 1009953098, 1442790140, 1836278360, 2019906196, 2524882745, 2885580280, 4039812392, 5049765490, 10099530980, 20199061960]

約数ペア:

[(1, 20199061960), (2, 10099530980), (4, 5049765490), (5, 4039812392), (7, 2885580280), (8, 2524882745), (10, 2019906196), (11, 1836278360), (14, 1442790140), (20, 1009953098), (22, 918139180), (28, 721395070), (35, 577116056), (40, 504976549), (44, 459069590), (55, 367255672), (56, 360697535), (70, 288558028), (77, 262325480), (88, 229534795), (107, 188776280), (110, 183627836), (140, 144279014), (154, 131162740), (214, 94388140), (220, 91813918), (280, 72139507), (308, 65581370), (385, 52465096), (428, 47194070), (440, 45906959), (535, 37755256), (616, 32790685), (749, 26968040), (770, 26232548), (856, 23597035), (1070, 18877628), (1177, 17161480), (1498, 13484020), (1540, 13116274), (2140, 9438814), (2354, 8580740), (2996, 6742010), (3080, 6558137), (3745, 5393608), (4280, 4719407), (4708, 4290370), (5885, 3432296), (5992, 3371005), (7490, 2696804), (8239, 2451640), (9416, 2145185), (11770, 1716148), (14980, 1348402), (16478, 1225820), (23540, 858074), (29960, 674201), (32956, 612910), (41195, 490328), (47080, 429037), (61291, 329560), (65912, 306455), (82390, 245164), (122582, 164780)]