20501910

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 66044160

約数和(自身を除く): 45542250

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 27, 30, 33, 39, 45, 54, 55, 59, 65, 66, 78, 81, 90, 99, 110, 117, 118, 130, 135, 143, 162, 165, 177, 195, 198, 234, 243, 270, 286, 295, 297, 330, 351, 354, 390, 405, 429, 486, 495, 531, 585, 590, 594, 649, 702, 715, 767, 810, 858, 885, 891, 990, 1053, 1062, 1170, 1215, 1287, 1298, 1430, 1485, 1534, 1593, 1755, 1770, 1782, 1947, 2106, 2145, 2301, 2430, 2574, 2655, 2673, 2970, 3159, 3186, 3245, 3510, 3835, 3861, 3894, 4290, 4455, 4602, 4779, 5265, 5310, 5346, 5841, 6318, 6435, 6490, 6903, 7670, 7722, 7965, 8437, 8910, 9558, 9735, 10530, 11505, 11583, 11682, 12870, 13365, 13806, 14337, 15795, 15930, 16874, 17523, 19305, 19470, 20709, 23010, 23166, 23895, 25311, 26730, 28674, 29205, 31590, 34515, 34749, 35046, 38610, 41418, 42185, 47790, 50622, 52569, 57915, 58410, 62127, 69030, 69498, 71685, 75933, 84370, 87615, 103545, 105138, 115830, 124254, 126555, 143370, 151866, 157707, 173745, 175230, 186381, 207090, 227799, 253110, 262845, 310635, 315414, 347490, 372762, 379665, 455598, 525690, 621270, 683397, 759330, 788535, 931905, 1138995, 1366794, 1577070, 1863810, 2050191, 2277990, 3416985, 4100382, 6833970, 10250955, 20501910]

約数ペア:

[(1, 20501910), (2, 10250955), (3, 6833970), (5, 4100382), (6, 3416985), (9, 2277990), (10, 2050191), (11, 1863810), (13, 1577070), (15, 1366794), (18, 1138995), (22, 931905), (26, 788535), (27, 759330), (30, 683397), (33, 621270), (39, 525690), (45, 455598), (54, 379665), (55, 372762), (59, 347490), (65, 315414), (66, 310635), (78, 262845), (81, 253110), (90, 227799), (99, 207090), (110, 186381), (117, 175230), (118, 173745), (130, 157707), (135, 151866), (143, 143370), (162, 126555), (165, 124254), (177, 115830), (195, 105138), (198, 103545), (234, 87615), (243, 84370), (270, 75933), (286, 71685), (295, 69498), (297, 69030), (330, 62127), (351, 58410), (354, 57915), (390, 52569), (405, 50622), (429, 47790), (486, 42185), (495, 41418), (531, 38610), (585, 35046), (590, 34749), (594, 34515), (649, 31590), (702, 29205), (715, 28674), (767, 26730), (810, 25311), (858, 23895), (885, 23166), (891, 23010), (990, 20709), (1053, 19470), (1062, 19305), (1170, 17523), (1215, 16874), (1287, 15930), (1298, 15795), (1430, 14337), (1485, 13806), (1534, 13365), (1593, 12870), (1755, 11682), (1770, 11583), (1782, 11505), (1947, 10530), (2106, 9735), (2145, 9558), (2301, 8910), (2430, 8437), (2574, 7965), (2655, 7722), (2673, 7670), (2970, 6903), (3159, 6490), (3186, 6435), (3245, 6318), (3510, 5841), (3835, 5346), (3861, 5310), (3894, 5265), (4290, 4779), (4455, 4602)]