20049912

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 54550080

約数和(自身を除く): 34500168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 991, 1124, 1686, 1982, 2248, 2529, 2973, 3372, 3964, 5058, 5946, 6744, 7928, 8919, 10116, 11892, 17838, 20232, 23784, 35676, 71352, 278471, 556942, 835413, 1113884, 1670826, 2227768, 2506239, 3341652, 5012478, 6683304, 10024956, 20049912]

約数ペア:

[(1, 20049912), (2, 10024956), (3, 6683304), (4, 5012478), (6, 3341652), (8, 2506239), (9, 2227768), (12, 1670826), (18, 1113884), (24, 835413), (36, 556942), (72, 278471), (281, 71352), (562, 35676), (843, 23784), (991, 20232), (1124, 17838), (1686, 11892), (1982, 10116), (2248, 8919), (2529, 7928), (2973, 6744), (3372, 5946), (3964, 5058)]