20378784

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12487}}^1$

素因数の和:12517

約数の個数: 48

約数和(自身を含む): 56645568

約数和(自身を除く): 36266784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12487, 24974, 37461, 49948, 74922, 99896, 149844, 199792, 212279, 299688, 399584, 424558, 599376, 636837, 849116, 1198752, 1273674, 1698232, 2547348, 3396464, 5094696, 6792928, 10189392, 20378784]

約数ペア:

[(1, 20378784), (2, 10189392), (3, 6792928), (4, 5094696), (6, 3396464), (8, 2547348), (12, 1698232), (16, 1273674), (17, 1198752), (24, 849116), (32, 636837), (34, 599376), (48, 424558), (51, 399584), (68, 299688), (96, 212279), (102, 199792), (136, 149844), (204, 99896), (272, 74922), (408, 49948), (544, 37461), (816, 24974), (1632, 12487)]