20491800780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{46549}}^1$

素因数の和:46624

約数の個数: 192

約数和(自身を含む): 67568256000

約数和(自身を除く): 47076455220

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 29, 30, 33, 44, 46, 55, 58, 60, 66, 69, 87, 92, 110, 115, 116, 132, 138, 145, 165, 174, 220, 230, 253, 276, 290, 319, 330, 345, 348, 435, 460, 506, 580, 638, 660, 667, 690, 759, 870, 957, 1012, 1265, 1276, 1334, 1380, 1518, 1595, 1740, 1914, 2001, 2530, 2668, 3036, 3190, 3335, 3795, 3828, 4002, 4785, 5060, 6380, 6670, 7337, 7590, 8004, 9570, 10005, 13340, 14674, 15180, 19140, 20010, 22011, 29348, 36685, 40020, 44022, 46549, 73370, 88044, 93098, 110055, 139647, 146740, 186196, 220110, 232745, 279294, 440220, 465490, 512039, 558588, 698235, 930980, 1024078, 1070627, 1349921, 1396470, 1536117, 2048156, 2141254, 2560195, 2699842, 2792940, 3072234, 3211881, 4049763, 4282508, 5120390, 5353135, 5399684, 6144468, 6423762, 6749605, 7680585, 8099526, 10240780, 10706270, 11776897, 12847524, 13499210, 14849131, 15361170, 16059405, 16199052, 20248815, 21412540, 23553794, 26998420, 29698262, 30722340, 31048183, 32118810, 35330691, 40497630, 44547393, 47107588, 58884485, 59396524, 62096366, 64237620, 70661382, 74245655, 80995260, 89094786, 93144549, 117768970, 124192732, 141322764, 148491310, 155240915, 176653455, 178189572, 186289098, 222736965, 235537940, 296982620, 310481830, 341530013, 353306910, 372578196, 445473930, 465722745, 620963660, 683060026, 706613820, 890947860, 931445490, 1024590039, 1366120052, 1707650065, 1862890980, 2049180078, 3415300130, 4098360156, 5122950195, 6830600260, 10245900390, 20491800780]

約数ペア:

[(1, 20491800780), (2, 10245900390), (3, 6830600260), (4, 5122950195), (5, 4098360156), (6, 3415300130), (10, 2049180078), (11, 1862890980), (12, 1707650065), (15, 1366120052), (20, 1024590039), (22, 931445490), (23, 890947860), (29, 706613820), (30, 683060026), (33, 620963660), (44, 465722745), (46, 445473930), (55, 372578196), (58, 353306910), (60, 341530013), (66, 310481830), (69, 296982620), (87, 235537940), (92, 222736965), (110, 186289098), (115, 178189572), (116, 176653455), (132, 155240915), (138, 148491310), (145, 141322764), (165, 124192732), (174, 117768970), (220, 93144549), (230, 89094786), (253, 80995260), (276, 74245655), (290, 70661382), (319, 64237620), (330, 62096366), (345, 59396524), (348, 58884485), (435, 47107588), (460, 44547393), (506, 40497630), (580, 35330691), (638, 32118810), (660, 31048183), (667, 30722340), (690, 29698262), (759, 26998420), (870, 23553794), (957, 21412540), (1012, 20248815), (1265, 16199052), (1276, 16059405), (1334, 15361170), (1380, 14849131), (1518, 13499210), (1595, 12847524), (1740, 11776897), (1914, 10706270), (2001, 10240780), (2530, 8099526), (2668, 7680585), (3036, 6749605), (3190, 6423762), (3335, 6144468), (3795, 5399684), (3828, 5353135), (4002, 5120390), (4785, 4282508), (5060, 4049763), (6380, 3211881), (6670, 3072234), (7337, 2792940), (7590, 2699842), (8004, 2560195), (9570, 2141254), (10005, 2048156), (13340, 1536117), (14674, 1396470), (15180, 1349921), (19140, 1070627), (20010, 1024078), (22011, 930980), (29348, 698235), (36685, 558588), (40020, 512039), (44022, 465490), (46549, 440220), (73370, 279294), (88044, 232745), (93098, 220110), (110055, 186196), (139647, 146740)]