20086662896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{420857}}^1$

素因数の和:421041

約数の個数: 40

約数和(自身を含む): 41227249680

約数和(自身を除く): 21140586784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 628, 1256, 2512, 2983, 5966, 11932, 23864, 47728, 420857, 841714, 1683428, 3366856, 6733712, 7996283, 15992566, 31985132, 63970264, 66074549, 127940528, 132149098, 264298196, 528596392, 1057192784, 1255416431, 2510832862, 5021665724, 10043331448, 20086662896]

約数ペア:

[(1, 20086662896), (2, 10043331448), (4, 5021665724), (8, 2510832862), (16, 1255416431), (19, 1057192784), (38, 528596392), (76, 264298196), (152, 132149098), (157, 127940528), (304, 66074549), (314, 63970264), (628, 31985132), (1256, 15992566), (2512, 7996283), (2983, 6733712), (5966, 3366856), (11932, 1683428), (23864, 841714), (47728, 420857)]