20480004

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7793}}^1$

素因数の和:7876

約数の個数: 36

約数和(自身を含む): 52484796

約数和(自身を除く): 32004792

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 7793, 15586, 23379, 31172, 46758, 70137, 93516, 140274, 280548, 568889, 1137778, 1706667, 2275556, 3413334, 5120001, 6826668, 10240002, 20480004]

約数ペア:

[(1, 20480004), (2, 10240002), (3, 6826668), (4, 5120001), (6, 3413334), (9, 2275556), (12, 1706667), (18, 1137778), (36, 568889), (73, 280548), (146, 140274), (219, 93516), (292, 70137), (438, 46758), (657, 31172), (876, 23379), (1314, 15586), (2628, 7793)]