20577762

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 46800000

約数和(自身を除く): 26222238

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 79, 87, 158, 174, 237, 261, 474, 499, 522, 711, 998, 1422, 1497, 2291, 2994, 4491, 4582, 6873, 8982, 13746, 14471, 20619, 28942, 39421, 41238, 43413, 78842, 86826, 118263, 130239, 236526, 260478, 354789, 709578, 1143209, 2286418, 3429627, 6859254, 10288881, 20577762]

約数ペア:

[(1, 20577762), (2, 10288881), (3, 6859254), (6, 3429627), (9, 2286418), (18, 1143209), (29, 709578), (58, 354789), (79, 260478), (87, 236526), (158, 130239), (174, 118263), (237, 86826), (261, 78842), (474, 43413), (499, 41238), (522, 39421), (711, 28942), (998, 20619), (1422, 14471), (1497, 13746), (2291, 8982), (2994, 6873), (4491, 4582)]