20201328

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{409}}^1$

素因数の和:444

約数の個数: 120

約数和(自身を含む): 66092000

約数和(自身を除く): 45890672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 343, 392, 409, 441, 504, 588, 686, 784, 818, 882, 1008, 1029, 1176, 1227, 1372, 1636, 1764, 2058, 2352, 2454, 2744, 2863, 3087, 3272, 3528, 3681, 4116, 4908, 5488, 5726, 6174, 6544, 7056, 7362, 8232, 8589, 9816, 11452, 12348, 14724, 16464, 17178, 19632, 20041, 22904, 24696, 25767, 29448, 34356, 40082, 45808, 49392, 51534, 58896, 60123, 68712, 80164, 103068, 120246, 137424, 140287, 160328, 180369, 206136, 240492, 280574, 320656, 360738, 412272, 420861, 480984, 561148, 721476, 841722, 961968, 1122296, 1262583, 1442952, 1683444, 2244592, 2525166, 2885904, 3366888, 5050332, 6733776, 10100664, 20201328]

約数ペア:

[(1, 20201328), (2, 10100664), (3, 6733776), (4, 5050332), (6, 3366888), (7, 2885904), (8, 2525166), (9, 2244592), (12, 1683444), (14, 1442952), (16, 1262583), (18, 1122296), (21, 961968), (24, 841722), (28, 721476), (36, 561148), (42, 480984), (48, 420861), (49, 412272), (56, 360738), (63, 320656), (72, 280574), (84, 240492), (98, 206136), (112, 180369), (126, 160328), (144, 140287), (147, 137424), (168, 120246), (196, 103068), (252, 80164), (294, 68712), (336, 60123), (343, 58896), (392, 51534), (409, 49392), (441, 45808), (504, 40082), (588, 34356), (686, 29448), (784, 25767), (818, 24696), (882, 22904), (1008, 20041), (1029, 19632), (1176, 17178), (1227, 16464), (1372, 14724), (1636, 12348), (1764, 11452), (2058, 9816), (2352, 8589), (2454, 8232), (2744, 7362), (2863, 7056), (3087, 6544), (3272, 6174), (3528, 5726), (3681, 5488), (4116, 4908)]