20558274

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 27963966

約数列:

[1, 2, 3, 6, 11, 22, 23, 29, 33, 46, 58, 66, 69, 87, 138, 174, 253, 319, 467, 506, 638, 667, 759, 934, 957, 1334, 1401, 1518, 1914, 2001, 2802, 4002, 5137, 7337, 10274, 10741, 13543, 14674, 15411, 21482, 22011, 27086, 30822, 32223, 40629, 44022, 64446, 81258, 118151, 148973, 236302, 297946, 311489, 354453, 446919, 622978, 708906, 893838, 934467, 1868934, 3426379, 6852758, 10279137, 20558274]

約数ペア:

[(1, 20558274), (2, 10279137), (3, 6852758), (6, 3426379), (11, 1868934), (22, 934467), (23, 893838), (29, 708906), (33, 622978), (46, 446919), (58, 354453), (66, 311489), (69, 297946), (87, 236302), (138, 148973), (174, 118151), (253, 81258), (319, 64446), (467, 44022), (506, 40629), (638, 32223), (667, 30822), (759, 27086), (934, 22011), (957, 21482), (1334, 15411), (1401, 14674), (1518, 13543), (1914, 10741), (2001, 10274), (2802, 7337), (4002, 5137)]