20793856

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2389}}^1$

素因数の和:2424

約数の個数: 40

約数和(自身を含む): 44009460

約数和(自身を除く): 23215604

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 2389, 4352, 4778, 8704, 9556, 19112, 38224, 40613, 76448, 81226, 152896, 162452, 305792, 324904, 611584, 649808, 1223168, 1299616, 2599232, 5198464, 10396928, 20793856]

約数ペア:

[(1, 20793856), (2, 10396928), (4, 5198464), (8, 2599232), (16, 1299616), (17, 1223168), (32, 649808), (34, 611584), (64, 324904), (68, 305792), (128, 162452), (136, 152896), (256, 81226), (272, 76448), (512, 40613), (544, 38224), (1088, 19112), (2176, 9556), (2389, 8704), (4352, 4778)]