20749674

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 27513366

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 37, 58, 66, 74, 87, 111, 174, 222, 293, 319, 407, 586, 638, 814, 879, 957, 1073, 1221, 1758, 1914, 2146, 2442, 3219, 3223, 6438, 6446, 8497, 9669, 10841, 11803, 16994, 19338, 21682, 23606, 25491, 32523, 35409, 50982, 65046, 70818, 93467, 119251, 186934, 238502, 280401, 314389, 357753, 560802, 628778, 715506, 943167, 1886334, 3458279, 6916558, 10374837, 20749674]

約数ペア:

[(1, 20749674), (2, 10374837), (3, 6916558), (6, 3458279), (11, 1886334), (22, 943167), (29, 715506), (33, 628778), (37, 560802), (58, 357753), (66, 314389), (74, 280401), (87, 238502), (111, 186934), (174, 119251), (222, 93467), (293, 70818), (319, 65046), (407, 50982), (586, 35409), (638, 32523), (814, 25491), (879, 23606), (957, 21682), (1073, 19338), (1221, 16994), (1758, 11803), (1914, 10841), (2146, 9669), (2442, 8497), (3219, 6446), (3223, 6438)]