20586272

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:734

約数の個数: 72

約数和(自身を含む): 49699440

約数和(自身を除く): 29113168

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 691, 784, 931, 1064, 1382, 1568, 1862, 2128, 2764, 3724, 4256, 4837, 5528, 7448, 9674, 11056, 13129, 14896, 19348, 22112, 26258, 29792, 33859, 38696, 52516, 67718, 77392, 91903, 105032, 135436, 154784, 183806, 210064, 270872, 367612, 420128, 541744, 643321, 735224, 1083488, 1286642, 1470448, 2573284, 2940896, 5146568, 10293136, 20586272]

約数ペア:

[(1, 20586272), (2, 10293136), (4, 5146568), (7, 2940896), (8, 2573284), (14, 1470448), (16, 1286642), (19, 1083488), (28, 735224), (32, 643321), (38, 541744), (49, 420128), (56, 367612), (76, 270872), (98, 210064), (112, 183806), (133, 154784), (152, 135436), (196, 105032), (224, 91903), (266, 77392), (304, 67718), (392, 52516), (532, 38696), (608, 33859), (691, 29792), (784, 26258), (931, 22112), (1064, 19348), (1382, 14896), (1568, 13129), (1862, 11056), (2128, 9674), (2764, 7448), (3724, 5528), (4256, 4837)]