20237752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2221}}^1$

素因数の和:2311

約数の個数: 32

約数和(自身を含む): 40795920

約数和(自身を除く): 20558168

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2221, 2278, 4442, 4556, 8884, 9112, 17768, 37757, 75514, 148807, 151028, 297614, 302056, 595228, 1190456, 2529719, 5059438, 10118876, 20237752]

約数ペア:

[(1, 20237752), (2, 10118876), (4, 5059438), (8, 2529719), (17, 1190456), (34, 595228), (67, 302056), (68, 297614), (134, 151028), (136, 148807), (268, 75514), (536, 37757), (1139, 17768), (2221, 9112), (2278, 8884), (4442, 4556)]