20173597936

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{134807}}^1$

素因数の和:135061

約数の個数: 40

約数和(自身を含む): 40118860800

約数和(自身を除く): 19945262864

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 199, 376, 398, 752, 796, 1592, 3184, 9353, 18706, 37412, 74824, 134807, 149648, 269614, 539228, 1078456, 2156912, 6335929, 12671858, 25343716, 26826593, 50687432, 53653186, 101374864, 107306372, 214612744, 429225488, 1260849871, 2521699742, 5043399484, 10086798968, 20173597936]

約数ペア:

[(1, 20173597936), (2, 10086798968), (4, 5043399484), (8, 2521699742), (16, 1260849871), (47, 429225488), (94, 214612744), (188, 107306372), (199, 101374864), (376, 53653186), (398, 50687432), (752, 26826593), (796, 25343716), (1592, 12671858), (3184, 6335929), (9353, 2156912), (18706, 1078456), (37412, 539228), (74824, 269614), (134807, 149648)]