20179926896

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{433}}^1\times {\mathrm{26723}}^1$

素因数の和:27273

約数の個数: 40

約数和(自身を含む): 39549916560

約数和(自身を除く): 19369989664

約数列:

[1, 2, 4, 8, 16, 109, 218, 433, 436, 866, 872, 1732, 1744, 3464, 6928, 26723, 47197, 53446, 94394, 106892, 188788, 213784, 377576, 427568, 755152, 2912807, 5825614, 11571059, 11651228, 23142118, 23302456, 46284236, 46604912, 92568472, 185136944, 1261245431, 2522490862, 5044981724, 10089963448, 20179926896]

約数ペア:

[(1, 20179926896), (2, 10089963448), (4, 5044981724), (8, 2522490862), (16, 1261245431), (109, 185136944), (218, 92568472), (433, 46604912), (436, 46284236), (866, 23302456), (872, 23142118), (1732, 11651228), (1744, 11571059), (3464, 5825614), (6928, 2912807), (26723, 755152), (47197, 427568), (53446, 377576), (94394, 213784), (106892, 188788)]