20372408

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 26801992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 41, 56, 76, 82, 133, 152, 164, 266, 287, 328, 467, 532, 574, 779, 934, 1064, 1148, 1558, 1868, 2296, 3116, 3269, 3736, 5453, 6232, 6538, 8873, 10906, 13076, 17746, 19147, 21812, 26152, 35492, 38294, 43624, 62111, 70984, 76588, 124222, 134029, 153176, 248444, 268058, 363793, 496888, 536116, 727586, 1072232, 1455172, 2546551, 2910344, 5093102, 10186204, 20372408]

約数ペア:

[(1, 20372408), (2, 10186204), (4, 5093102), (7, 2910344), (8, 2546551), (14, 1455172), (19, 1072232), (28, 727586), (38, 536116), (41, 496888), (56, 363793), (76, 268058), (82, 248444), (133, 153176), (152, 134029), (164, 124222), (266, 76588), (287, 70984), (328, 62111), (467, 43624), (532, 38294), (574, 35492), (779, 26152), (934, 21812), (1064, 19147), (1148, 17746), (1558, 13076), (1868, 10906), (2296, 8873), (3116, 6538), (3269, 6232), (3736, 5453)]