20899650.000000000

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:790

約数の個数: 128

約数和(自身を含む): 348480000

約数和(自身を除く): 239871528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 109, 126, 168, 189, 216, 218, 252, 327, 378, 436, 504, 654, 659, 756, 763, 872, 981, 1308, 1318, 1512, 1526, 1962, 1977, 2289, 2616, 2636, 2943, 3052, 3924, 3954, 4578, 4613, 5272, 5886, 5931, 6104, 6867, 7848, 7908, 9156, 9226, 11772, 11862, 13734, 13839, 15816, 17793, 18312, 18452, 20601, 23544, 23724, 27468, 27678, 35586, 36904, 41202, 41517, 47448, 54936, 55356, 71172, 71831, 82404, 83034, 110712, 124551, 142344, 143662, 164808, 166068, 215493, 249102, 287324, 332136, 430986, 498204, 502817, 574648, 646479, 861972, 996408, 1005634, 1292958, 1508451, 1723944, 1939437, 2011268, 2585916, 3016902, 3878874, 4022536, 4525353, 5171832, 6033804, 7757748, 9050706, 12067608, 13576059, 15515496, 18101412, 27152118, 36202824, 54304236, 108608472]

約数ペア:

[(1, 108608472), (2, 54304236), (3, 36202824), (4, 27152118), (6, 18101412), (7, 15515496), (8, 13576059), (9, 12067608), (12, 9050706), (14, 7757748), (18, 6033804), (21, 5171832), (24, 4525353), (27, 4022536), (28, 3878874), (36, 3016902), (42, 2585916), (54, 2011268), (56, 1939437), (63, 1723944), (72, 1508451), (84, 1292958), (108, 1005634), (109, 996408), (126, 861972), (168, 646479), (189, 574648), (216, 502817), (218, 498204), (252, 430986), (327, 332136), (378, 287324), (436, 249102), (504, 215493), (654, 166068), (659, 164808), (756, 143662), (763, 142344), (872, 124551), (981, 110712), (1308, 83034), (1318, 82404), (1512, 71831), (1526, 71172), (1962, 55356), (1977, 54936), (2289, 47448), (2616, 41517), (2636, 41202), (2943, 36904), (3052, 35586), (3924, 27678), (3954, 27468), (4578, 23724), (4613, 23544), (5272, 20601), (5886, 18452), (5931, 18312), (6104, 17793), (6867, 15816), (7848, 13839), (7908, 13734), (9156, 11862), (9226, 11772)]