20797698

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 25858302

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 79, 87, 89, 102, 158, 174, 178, 237, 267, 474, 493, 534, 986, 1343, 1479, 1513, 2291, 2581, 2686, 2958, 3026, 4029, 4539, 4582, 5162, 6873, 7031, 7743, 8058, 9078, 13746, 14062, 15486, 21093, 38947, 42186, 43877, 77894, 87754, 116841, 119527, 131631, 203899, 233682, 239054, 263262, 358581, 407798, 611697, 717162, 1223394, 3466283, 6932566, 10398849, 20797698]

約数ペア:

[(1, 20797698), (2, 10398849), (3, 6932566), (6, 3466283), (17, 1223394), (29, 717162), (34, 611697), (51, 407798), (58, 358581), (79, 263262), (87, 239054), (89, 233682), (102, 203899), (158, 131631), (174, 119527), (178, 116841), (237, 87754), (267, 77894), (474, 43877), (493, 42186), (534, 38947), (986, 21093), (1343, 15486), (1479, 14062), (1513, 13746), (2291, 9078), (2581, 8058), (2686, 7743), (2958, 7031), (3026, 6873), (4029, 5162), (4539, 4582)]