20322786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27577374

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 59, 66, 102, 118, 177, 187, 307, 354, 374, 561, 614, 649, 921, 1003, 1122, 1298, 1842, 1947, 2006, 3009, 3377, 3894, 5219, 6018, 6754, 10131, 10438, 11033, 15657, 18113, 20262, 22066, 31314, 33099, 36226, 54339, 57409, 66198, 108678, 114818, 172227, 199243, 307921, 344454, 398486, 597729, 615842, 923763, 1195458, 1847526, 3387131, 6774262, 10161393, 20322786]

約数ペア:

[(1, 20322786), (2, 10161393), (3, 6774262), (6, 3387131), (11, 1847526), (17, 1195458), (22, 923763), (33, 615842), (34, 597729), (51, 398486), (59, 344454), (66, 307921), (102, 199243), (118, 172227), (177, 114818), (187, 108678), (307, 66198), (354, 57409), (374, 54339), (561, 36226), (614, 33099), (649, 31314), (921, 22066), (1003, 20262), (1122, 18113), (1298, 15657), (1842, 11033), (1947, 10438), (2006, 10131), (3009, 6754), (3377, 6018), (3894, 5219)]