20172305248

素因数分解:

$2^5\times {\mathrm{47}}^2\times {\mathrm{137}}^1\times {\mathrm{2083}}^1$

素因数の和:2324

約数の個数: 72

約数和(自身を含む): 40892994072

約数和(自身を除く): 20720688824

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 137, 188, 274, 376, 548, 752, 1096, 1504, 2083, 2192, 2209, 4166, 4384, 4418, 6439, 8332, 8836, 12878, 16664, 17672, 25756, 33328, 35344, 51512, 66656, 70688, 97901, 103024, 195802, 206048, 285371, 302633, 391604, 570742, 605266, 783208, 1141484, 1210532, 1566416, 2282968, 2421064, 3132832, 4565936, 4601347, 4842128, 9131872, 9202694, 9684256, 13412437, 18405388, 26824874, 36810776, 53649748, 73621552, 107299496, 147243104, 214598992, 429197984, 630384539, 1260769078, 2521538156, 5043076312, 10086152624, 20172305248]

約数ペア:

[(1, 20172305248), (2, 10086152624), (4, 5043076312), (8, 2521538156), (16, 1260769078), (32, 630384539), (47, 429197984), (94, 214598992), (137, 147243104), (188, 107299496), (274, 73621552), (376, 53649748), (548, 36810776), (752, 26824874), (1096, 18405388), (1504, 13412437), (2083, 9684256), (2192, 9202694), (2209, 9131872), (4166, 4842128), (4384, 4601347), (4418, 4565936), (6439, 3132832), (8332, 2421064), (8836, 2282968), (12878, 1566416), (16664, 1210532), (17672, 1141484), (25756, 783208), (33328, 605266), (35344, 570742), (51512, 391604), (66656, 302633), (70688, 285371), (97901, 206048), (103024, 195802)]