20040064

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 44700480

約数和(自身を除く): 24660416

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 128, 172, 176, 331, 344, 352, 473, 662, 688, 704, 946, 1324, 1376, 1408, 1892, 2648, 2752, 3641, 3784, 5296, 5504, 7282, 7568, 10592, 14233, 14564, 15136, 21184, 28466, 29128, 30272, 42368, 56932, 58256, 60544, 113864, 116512, 156563, 227728, 233024, 313126, 455456, 466048, 626252, 910912, 1252504, 1821824, 2505008, 5010016, 10020032, 20040064]

約数ペア:

[(1, 20040064), (2, 10020032), (4, 5010016), (8, 2505008), (11, 1821824), (16, 1252504), (22, 910912), (32, 626252), (43, 466048), (44, 455456), (64, 313126), (86, 233024), (88, 227728), (128, 156563), (172, 116512), (176, 113864), (331, 60544), (344, 58256), (352, 56932), (473, 42368), (662, 30272), (688, 29128), (704, 28466), (946, 21184), (1324, 15136), (1376, 14564), (1408, 14233), (1892, 10592), (2648, 7568), (2752, 7282), (3641, 5504), (3784, 5296)]