20836732

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 23031428

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 67, 116, 134, 203, 268, 383, 406, 469, 766, 812, 938, 1532, 1876, 1943, 2681, 3886, 5362, 7772, 10724, 11107, 13601, 22214, 25661, 27202, 44428, 51322, 54404, 77749, 102644, 155498, 179627, 310996, 359254, 718508, 744169, 1488338, 2976676, 5209183, 10418366, 20836732]

約数ペア:

[(1, 20836732), (2, 10418366), (4, 5209183), (7, 2976676), (14, 1488338), (28, 744169), (29, 718508), (58, 359254), (67, 310996), (116, 179627), (134, 155498), (203, 102644), (268, 77749), (383, 54404), (406, 51322), (469, 44428), (766, 27202), (812, 25661), (938, 22214), (1532, 13601), (1876, 11107), (1943, 10724), (2681, 7772), (3886, 5362)]