20916888

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{733}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 55490400

約数和(自身を除く): 34573512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 41, 58, 82, 87, 116, 123, 164, 174, 232, 246, 328, 348, 492, 696, 733, 984, 1189, 1466, 2199, 2378, 2932, 3567, 4398, 4756, 5864, 7134, 8796, 9512, 14268, 17592, 21257, 28536, 30053, 42514, 60106, 63771, 85028, 90159, 120212, 127542, 170056, 180318, 240424, 255084, 360636, 510168, 721272, 871537, 1743074, 2614611, 3486148, 5229222, 6972296, 10458444, 20916888]

約数ペア:

[(1, 20916888), (2, 10458444), (3, 6972296), (4, 5229222), (6, 3486148), (8, 2614611), (12, 1743074), (24, 871537), (29, 721272), (41, 510168), (58, 360636), (82, 255084), (87, 240424), (116, 180318), (123, 170056), (164, 127542), (174, 120212), (232, 90159), (246, 85028), (328, 63771), (348, 60106), (492, 42514), (696, 30053), (733, 28536), (984, 21257), (1189, 17592), (1466, 14268), (2199, 9512), (2378, 8796), (2932, 7134), (3567, 5864), (4398, 4756)]