20018093480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15737}}^1$

素因数の和:15832

約数の個数: 192

約数和(自身を含む): 58129876800

約数和(自身を除く): 38111783320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 59, 70, 77, 88, 98, 110, 118, 140, 154, 196, 220, 236, 245, 280, 295, 308, 385, 392, 413, 440, 472, 490, 539, 590, 616, 649, 770, 826, 980, 1078, 1180, 1298, 1540, 1652, 1960, 2065, 2156, 2360, 2596, 2695, 2891, 3080, 3245, 3304, 4130, 4312, 4543, 5192, 5390, 5782, 6490, 8260, 9086, 10780, 11564, 12980, 14455, 15737, 16520, 18172, 21560, 22715, 23128, 25960, 28910, 31474, 31801, 36344, 45430, 57820, 62948, 63602, 78685, 90860, 110159, 115640, 125896, 127204, 157370, 159005, 173107, 181720, 220318, 254408, 314740, 318010, 346214, 440636, 550795, 629480, 636020, 692428, 771113, 865535, 881272, 928483, 1101590, 1211749, 1272040, 1384856, 1542226, 1731070, 1856966, 2203180, 2423498, 3084452, 3462140, 3713932, 3855565, 4406360, 4642415, 4846996, 6058745, 6168904, 6499381, 6924280, 7427864, 7711130, 8482243, 9284830, 9693992, 10213313, 12117490, 12998762, 15422260, 16964486, 18569660, 20426626, 24234980, 25997524, 30844520, 32496905, 33928972, 37139320, 40853252, 42411215, 45495667, 48469960, 51066565, 51995048, 64993810, 67857944, 71493191, 81706504, 84822430, 90991334, 102133130, 129987620, 142986382, 169644860, 181982668, 204266260, 227478335, 259975240, 285972764, 339289720, 357465955, 363965336, 408532520, 454956670, 500452337, 571945528, 714931910, 909913340, 1000904674, 1429863820, 1819826680, 2001809348, 2502261685, 2859727640, 4003618696, 5004523370, 10009046740, 20018093480]

約数ペア:

[(1, 20018093480), (2, 10009046740), (4, 5004523370), (5, 4003618696), (7, 2859727640), (8, 2502261685), (10, 2001809348), (11, 1819826680), (14, 1429863820), (20, 1000904674), (22, 909913340), (28, 714931910), (35, 571945528), (40, 500452337), (44, 454956670), (49, 408532520), (55, 363965336), (56, 357465955), (59, 339289720), (70, 285972764), (77, 259975240), (88, 227478335), (98, 204266260), (110, 181982668), (118, 169644860), (140, 142986382), (154, 129987620), (196, 102133130), (220, 90991334), (236, 84822430), (245, 81706504), (280, 71493191), (295, 67857944), (308, 64993810), (385, 51995048), (392, 51066565), (413, 48469960), (440, 45495667), (472, 42411215), (490, 40853252), (539, 37139320), (590, 33928972), (616, 32496905), (649, 30844520), (770, 25997524), (826, 24234980), (980, 20426626), (1078, 18569660), (1180, 16964486), (1298, 15422260), (1540, 12998762), (1652, 12117490), (1960, 10213313), (2065, 9693992), (2156, 9284830), (2360, 8482243), (2596, 7711130), (2695, 7427864), (2891, 6924280), (3080, 6499381), (3245, 6168904), (3304, 6058745), (4130, 4846996), (4312, 4642415), (4543, 4406360), (5192, 3855565), (5390, 3713932), (5782, 3462140), (6490, 3084452), (8260, 2423498), (9086, 2203180), (10780, 1856966), (11564, 1731070), (12980, 1542226), (14455, 1384856), (15737, 1272040), (16520, 1211749), (18172, 1101590), (21560, 928483), (22715, 881272), (23128, 865535), (25960, 771113), (28910, 692428), (31474, 636020), (31801, 629480), (36344, 550795), (45430, 440636), (57820, 346214), (62948, 318010), (63602, 314740), (78685, 254408), (90860, 220318), (110159, 181720), (115640, 173107), (125896, 159005), (127204, 157370)]