20160020540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{3691}}^1$

素因数の和:3820

約数の個数: 144

約数和(自身を含む): 48588994272

約数和(自身を除く): 28428973732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 61, 74, 110, 121, 122, 148, 185, 220, 242, 244, 305, 370, 407, 484, 605, 610, 671, 740, 814, 1210, 1220, 1342, 1628, 2035, 2257, 2420, 2684, 3355, 3691, 4070, 4477, 4514, 6710, 7381, 7382, 8140, 8954, 9028, 11285, 13420, 14762, 14764, 17908, 18455, 22385, 22570, 24827, 29524, 36905, 36910, 40601, 44770, 45140, 49654, 73810, 73820, 81202, 89540, 99308, 124135, 136567, 147620, 162404, 203005, 225151, 248270, 273097, 273134, 406010, 446611, 450302, 496540, 546194, 546268, 682835, 812020, 893222, 900604, 1092388, 1125755, 1365485, 1365670, 1502237, 1786444, 2233055, 2251510, 2476661, 2730970, 2731340, 3004474, 4466110, 4503020, 4953322, 5461940, 6008948, 7511185, 8330587, 8932220, 9906644, 12383305, 15022370, 16524607, 16661174, 24766610, 27243271, 30044740, 33049214, 33322348, 41652935, 49533220, 54486542, 66098428, 82623035, 83305870, 91636457, 108973084, 136216355, 165246070, 166611740, 183272914, 272432710, 330492140, 366545828, 458182285, 544865420, 916364570, 1008001027, 1832729140, 2016002054, 4032004108, 5040005135, 10080010270, 20160020540]

約数ペア:

[(1, 20160020540), (2, 10080010270), (4, 5040005135), (5, 4032004108), (10, 2016002054), (11, 1832729140), (20, 1008001027), (22, 916364570), (37, 544865420), (44, 458182285), (55, 366545828), (61, 330492140), (74, 272432710), (110, 183272914), (121, 166611740), (122, 165246070), (148, 136216355), (185, 108973084), (220, 91636457), (242, 83305870), (244, 82623035), (305, 66098428), (370, 54486542), (407, 49533220), (484, 41652935), (605, 33322348), (610, 33049214), (671, 30044740), (740, 27243271), (814, 24766610), (1210, 16661174), (1220, 16524607), (1342, 15022370), (1628, 12383305), (2035, 9906644), (2257, 8932220), (2420, 8330587), (2684, 7511185), (3355, 6008948), (3691, 5461940), (4070, 4953322), (4477, 4503020), (4514, 4466110), (6710, 3004474), (7381, 2731340), (7382, 2730970), (8140, 2476661), (8954, 2251510), (9028, 2233055), (11285, 1786444), (13420, 1502237), (14762, 1365670), (14764, 1365485), (17908, 1125755), (18455, 1092388), (22385, 900604), (22570, 893222), (24827, 812020), (29524, 682835), (36905, 546268), (36910, 546194), (40601, 496540), (44770, 450302), (45140, 446611), (49654, 406010), (73810, 273134), (73820, 273097), (81202, 248270), (89540, 225151), (99308, 203005), (124135, 162404), (136567, 147620)]