20149835248

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{115337}}^1$

素因数の和:115585

約数の個数: 40

約数和(自身を含む): 39902334480

約数和(自身を除く): 19752499232

約数列:

[1, 2, 4, 8, 16, 61, 122, 179, 244, 358, 488, 716, 976, 1432, 2864, 10919, 21838, 43676, 87352, 115337, 174704, 230674, 461348, 922696, 1845392, 7035557, 14071114, 20645323, 28142228, 41290646, 56284456, 82581292, 112568912, 165162584, 330325168, 1259364703, 2518729406, 5037458812, 10074917624, 20149835248]

約数ペア:

[(1, 20149835248), (2, 10074917624), (4, 5037458812), (8, 2518729406), (16, 1259364703), (61, 330325168), (122, 165162584), (179, 112568912), (244, 82581292), (358, 56284456), (488, 41290646), (716, 28142228), (976, 20645323), (1432, 14071114), (2864, 7035557), (10919, 1845392), (21838, 922696), (43676, 461348), (87352, 230674), (115337, 174704)]