20292079257

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{80527}}^1$

素因数の和:80620

約数の個数: 48

約数和(自身を含む): 32712406272

約数和(自身を除く): 12420327015

約数列:

[1, 3, 9, 17, 27, 51, 61, 81, 153, 183, 243, 459, 549, 1037, 1377, 1647, 3111, 4131, 4941, 9333, 14823, 27999, 80527, 83997, 241581, 251991, 724743, 1368959, 2174229, 4106877, 4912147, 6522687, 12320631, 14736441, 19568061, 36961893, 44209323, 83506499, 110885679, 132627969, 250519497, 332657037, 397883907, 751558491, 1193651721, 2254675473, 6764026419, 20292079257]

約数ペア:

[(1, 20292079257), (3, 6764026419), (9, 2254675473), (17, 1193651721), (27, 751558491), (51, 397883907), (61, 332657037), (81, 250519497), (153, 132627969), (183, 110885679), (243, 83506499), (459, 44209323), (549, 36961893), (1037, 19568061), (1377, 14736441), (1647, 12320631), (3111, 6522687), (4131, 4912147), (4941, 4106877), (9333, 2174229), (14823, 1368959), (27999, 724743), (80527, 251991), (83997, 241581)]