20783488

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 46818000

約数和(自身を除く): 26034512

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 319, 352, 464, 509, 638, 704, 928, 1018, 1276, 1408, 1856, 2036, 2552, 3712, 4072, 5104, 5599, 8144, 10208, 11198, 14761, 16288, 20416, 22396, 29522, 32576, 40832, 44792, 59044, 65152, 89584, 118088, 162371, 179168, 236176, 324742, 358336, 472352, 649484, 716672, 944704, 1298968, 1889408, 2597936, 5195872, 10391744, 20783488]

約数ペア:

[(1, 20783488), (2, 10391744), (4, 5195872), (8, 2597936), (11, 1889408), (16, 1298968), (22, 944704), (29, 716672), (32, 649484), (44, 472352), (58, 358336), (64, 324742), (88, 236176), (116, 179168), (128, 162371), (176, 118088), (232, 89584), (319, 65152), (352, 59044), (464, 44792), (509, 40832), (638, 32576), (704, 29522), (928, 22396), (1018, 20416), (1276, 16288), (1408, 14761), (1856, 11198), (2036, 10208), (2552, 8144), (3712, 5599), (4072, 5104)]