20512686888

素因数分解:

$2^3\times 3^4\times {\mathrm{2137}}^1\times {\mathrm{14813}}^1$

素因数の和:16968

約数の個数: 80

約数和(自身を含む): 57485282580

約数和(自身を除く): 36972595692

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 2137, 4274, 6411, 8548, 12822, 14813, 17096, 19233, 25644, 29626, 38466, 44439, 51288, 57699, 59252, 76932, 88878, 115398, 118504, 133317, 153864, 173097, 177756, 230796, 266634, 346194, 355512, 399951, 461592, 533268, 692388, 799902, 1066536, 1199853, 1384776, 1599804, 2399706, 3199608, 4799412, 9598824, 31655381, 63310762, 94966143, 126621524, 189932286, 253243048, 284898429, 379864572, 569796858, 759729144, 854695287, 1139593716, 1709390574, 2279187432, 2564085861, 3418781148, 5128171722, 6837562296, 10256343444, 20512686888]

約数ペア:

[(1, 20512686888), (2, 10256343444), (3, 6837562296), (4, 5128171722), (6, 3418781148), (8, 2564085861), (9, 2279187432), (12, 1709390574), (18, 1139593716), (24, 854695287), (27, 759729144), (36, 569796858), (54, 379864572), (72, 284898429), (81, 253243048), (108, 189932286), (162, 126621524), (216, 94966143), (324, 63310762), (648, 31655381), (2137, 9598824), (4274, 4799412), (6411, 3199608), (8548, 2399706), (12822, 1599804), (14813, 1384776), (17096, 1199853), (19233, 1066536), (25644, 799902), (29626, 692388), (38466, 533268), (44439, 461592), (51288, 399951), (57699, 355512), (59252, 346194), (76932, 266634), (88878, 230796), (115398, 177756), (118504, 173097), (133317, 153864)]