20072176

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 40622400

約数和(自身を除く): 20550224

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 181, 232, 239, 362, 464, 478, 724, 956, 1448, 1912, 2896, 3824, 5249, 6931, 10498, 13862, 20996, 27724, 41992, 43259, 55448, 83984, 86518, 110896, 173036, 346072, 692144, 1254511, 2509022, 5018044, 10036088, 20072176]

約数ペア:

[(1, 20072176), (2, 10036088), (4, 5018044), (8, 2509022), (16, 1254511), (29, 692144), (58, 346072), (116, 173036), (181, 110896), (232, 86518), (239, 83984), (362, 55448), (464, 43259), (478, 41992), (724, 27724), (956, 20996), (1448, 13862), (1912, 10498), (2896, 6931), (3824, 5249)]