20728605792

素因数分解:

$2^5\times 3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:621

約数の個数: 192

約数和(自身を含む): 56575943424

約数和(自身を除く): 35847337632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 67, 73, 96, 131, 134, 146, 201, 219, 262, 268, 292, 337, 393, 402, 438, 524, 536, 584, 674, 786, 804, 876, 1011, 1048, 1072, 1168, 1348, 1572, 1608, 1752, 2022, 2096, 2144, 2336, 2696, 3144, 3216, 3504, 4044, 4192, 4891, 5392, 6288, 6432, 7008, 8088, 8777, 9563, 9782, 10784, 12576, 14673, 16176, 17554, 19126, 19564, 22579, 24601, 26331, 28689, 29346, 32352, 35108, 38252, 39128, 44147, 45158, 49202, 52662, 57378, 58692, 67737, 70216, 73803, 76504, 78256, 88294, 90316, 98404, 105324, 114756, 117384, 132441, 135474, 140432, 147606, 153008, 156512, 176588, 180632, 196808, 210648, 229512, 234768, 264882, 270948, 280864, 295212, 306016, 353176, 361264, 393616, 421296, 459024, 469536, 529764, 541896, 590424, 640721, 706352, 722528, 787232, 842592, 918048, 1059528, 1083792, 1180848, 1281442, 1412704, 1648267, 1922163, 2119056, 2167584, 2361696, 2562884, 2957849, 3222731, 3296534, 3844326, 4238112, 4944801, 5125768, 5915698, 6445462, 6593068, 7688652, 8873547, 9668193, 9889602, 10251536, 11831396, 12890924, 13186136, 15377304, 17747094, 19336386, 19779204, 20503072, 23662792, 25781848, 26372272, 30754608, 35494188, 38672772, 39558408, 47325584, 51563696, 52744544, 61509216, 70988376, 77345544, 79116816, 94651168, 103127392, 141976752, 154691088, 158233632, 215922977, 283953504, 309382176, 431845954, 647768931, 863691908, 1295537862, 1727383816, 2591075724, 3454767632, 5182151448, 6909535264, 10364302896, 20728605792]

約数ペア:

[(1, 20728605792), (2, 10364302896), (3, 6909535264), (4, 5182151448), (6, 3454767632), (8, 2591075724), (12, 1727383816), (16, 1295537862), (24, 863691908), (32, 647768931), (48, 431845954), (67, 309382176), (73, 283953504), (96, 215922977), (131, 158233632), (134, 154691088), (146, 141976752), (201, 103127392), (219, 94651168), (262, 79116816), (268, 77345544), (292, 70988376), (337, 61509216), (393, 52744544), (402, 51563696), (438, 47325584), (524, 39558408), (536, 38672772), (584, 35494188), (674, 30754608), (786, 26372272), (804, 25781848), (876, 23662792), (1011, 20503072), (1048, 19779204), (1072, 19336386), (1168, 17747094), (1348, 15377304), (1572, 13186136), (1608, 12890924), (1752, 11831396), (2022, 10251536), (2096, 9889602), (2144, 9668193), (2336, 8873547), (2696, 7688652), (3144, 6593068), (3216, 6445462), (3504, 5915698), (4044, 5125768), (4192, 4944801), (4891, 4238112), (5392, 3844326), (6288, 3296534), (6432, 3222731), (7008, 2957849), (8088, 2562884), (8777, 2361696), (9563, 2167584), (9782, 2119056), (10784, 1922163), (12576, 1648267), (14673, 1412704), (16176, 1281442), (17554, 1180848), (19126, 1083792), (19564, 1059528), (22579, 918048), (24601, 842592), (26331, 787232), (28689, 722528), (29346, 706352), (32352, 640721), (35108, 590424), (38252, 541896), (39128, 529764), (44147, 469536), (45158, 459024), (49202, 421296), (52662, 393616), (57378, 361264), (58692, 353176), (67737, 306016), (70216, 295212), (73803, 280864), (76504, 270948), (78256, 264882), (88294, 234768), (90316, 229512), (98404, 210648), (105324, 196808), (114756, 180632), (117384, 176588), (132441, 156512), (135474, 153008), (140432, 147606)]