20508068

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5507}}^1$

素因数の和:5544

約数の個数: 36

約数和(自身を含む): 43953840

約数和(自身を除く): 23445772

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5507, 11014, 22028, 38549, 77098, 104633, 154196, 209266, 269843, 418532, 539686, 732431, 1079372, 1464862, 2929724, 5127017, 10254034, 20508068]

約数ペア:

[(1, 20508068), (2, 10254034), (4, 5127017), (7, 2929724), (14, 1464862), (19, 1079372), (28, 732431), (38, 539686), (49, 418532), (76, 269843), (98, 209266), (133, 154196), (196, 104633), (266, 77098), (532, 38549), (931, 22028), (1862, 11014), (3724, 5507)]