20015072

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8123}}^1$

素因数の和:8151

約数の個数: 48

約数和(自身を含む): 49133952

約数和(自身を除く): 29118880

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8123, 16246, 32492, 56861, 64984, 89353, 113722, 129968, 178706, 227444, 259936, 357412, 454888, 625471, 714824, 909776, 1250942, 1429648, 1819552, 2501884, 2859296, 5003768, 10007536, 20015072]

約数ペア:

[(1, 20015072), (2, 10007536), (4, 5003768), (7, 2859296), (8, 2501884), (11, 1819552), (14, 1429648), (16, 1250942), (22, 909776), (28, 714824), (32, 625471), (44, 454888), (56, 357412), (77, 259936), (88, 227444), (112, 178706), (154, 129968), (176, 113722), (224, 89353), (308, 64984), (352, 56861), (616, 32492), (1232, 16246), (2464, 8123)]