20461952

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 47809440

約数和(自身を除く): 27347488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 287, 328, 448, 557, 574, 656, 896, 1114, 1148, 1312, 2228, 2296, 2624, 3899, 4456, 4592, 5248, 7798, 8912, 9184, 15596, 17824, 18368, 22837, 31192, 35648, 36736, 45674, 62384, 71296, 91348, 124768, 159859, 182696, 249536, 319718, 365392, 499072, 639436, 730784, 1278872, 1461568, 2557744, 2923136, 5115488, 10230976, 20461952]

約数ペア:

[(1, 20461952), (2, 10230976), (4, 5115488), (7, 2923136), (8, 2557744), (14, 1461568), (16, 1278872), (28, 730784), (32, 639436), (41, 499072), (56, 365392), (64, 319718), (82, 249536), (112, 182696), (128, 159859), (164, 124768), (224, 91348), (287, 71296), (328, 62384), (448, 45674), (557, 36736), (574, 35648), (656, 31192), (896, 22837), (1114, 18368), (1148, 17824), (1312, 15596), (2228, 9184), (2296, 8912), (2624, 7798), (3899, 5248), (4456, 4592)]