20746584

素因数分解:

$2^3\times 3^3\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 58128000

約数和(自身を除く): 37381416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 139, 216, 278, 417, 556, 691, 834, 1112, 1251, 1382, 1668, 2073, 2502, 2764, 3336, 3753, 4146, 5004, 5528, 6219, 7506, 8292, 10008, 12438, 15012, 16584, 18657, 24876, 30024, 37314, 49752, 74628, 96049, 149256, 192098, 288147, 384196, 576294, 768392, 864441, 1152588, 1728882, 2305176, 2593323, 3457764, 5186646, 6915528, 10373292, 20746584]

約数ペア:

[(1, 20746584), (2, 10373292), (3, 6915528), (4, 5186646), (6, 3457764), (8, 2593323), (9, 2305176), (12, 1728882), (18, 1152588), (24, 864441), (27, 768392), (36, 576294), (54, 384196), (72, 288147), (108, 192098), (139, 149256), (216, 96049), (278, 74628), (417, 49752), (556, 37314), (691, 30024), (834, 24876), (1112, 18657), (1251, 16584), (1382, 15012), (1668, 12438), (2073, 10008), (2502, 8292), (2764, 7506), (3336, 6219), (3753, 5528), (4146, 5004)]