20386544

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67061}}^1$

素因数の和:67088

約数の個数: 20

約数和(自身を含む): 41578440

約数和(自身を除く): 21191896

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67061, 134122, 268244, 536488, 1072976, 1274159, 2548318, 5096636, 10193272, 20386544]

約数ペア:

[(1, 20386544), (2, 10193272), (4, 5096636), (8, 2548318), (16, 1274159), (19, 1072976), (38, 536488), (76, 268244), (152, 134122), (304, 67061)]