20604366

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 47028384

約数和(自身を除く): 26424018

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 157, 207, 314, 317, 414, 471, 634, 942, 951, 1413, 1902, 2826, 2853, 3611, 5706, 7222, 7291, 10833, 14582, 21666, 21873, 32499, 43746, 49769, 64998, 65619, 99538, 131238, 149307, 298614, 447921, 895842, 1144687, 2289374, 3434061, 6868122, 10302183, 20604366]

約数ペア:

[(1, 20604366), (2, 10302183), (3, 6868122), (6, 3434061), (9, 2289374), (18, 1144687), (23, 895842), (46, 447921), (69, 298614), (138, 149307), (157, 131238), (207, 99538), (314, 65619), (317, 64998), (414, 49769), (471, 43746), (634, 32499), (942, 21873), (951, 21666), (1413, 14582), (1902, 10833), (2826, 7291), (2853, 7222), (3611, 5706)]