20579784

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 53760000

約数和(自身を除く): 33180216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 139, 186, 199, 248, 278, 372, 398, 417, 556, 597, 744, 796, 834, 1112, 1194, 1592, 1668, 2388, 3336, 4309, 4776, 6169, 8618, 12338, 12927, 17236, 18507, 24676, 25854, 27661, 34472, 37014, 49352, 51708, 55322, 74028, 82983, 103416, 110644, 148056, 165966, 221288, 331932, 663864, 857491, 1714982, 2572473, 3429964, 5144946, 6859928, 10289892, 20579784]

約数ペア:

[(1, 20579784), (2, 10289892), (3, 6859928), (4, 5144946), (6, 3429964), (8, 2572473), (12, 1714982), (24, 857491), (31, 663864), (62, 331932), (93, 221288), (124, 165966), (139, 148056), (186, 110644), (199, 103416), (248, 82983), (278, 74028), (372, 55322), (398, 51708), (417, 49352), (556, 37014), (597, 34472), (744, 27661), (796, 25854), (834, 24676), (1112, 18507), (1194, 17236), (1592, 12927), (1668, 12338), (2388, 8618), (3336, 6169), (4309, 4776)]