20898576

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8537}}^1$

素因数の和:8568

約数の個数: 60

約数和(自身を含む): 61934652

約数和(自身を除く): 41036076

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8537, 17074, 25611, 34148, 51222, 68296, 76833, 102444, 136592, 145129, 153666, 204888, 290258, 307332, 409776, 435387, 580516, 614664, 870774, 1161032, 1229328, 1306161, 1741548, 2322064, 2612322, 3483096, 5224644, 6966192, 10449288, 20898576]

約数ペア:

[(1, 20898576), (2, 10449288), (3, 6966192), (4, 5224644), (6, 3483096), (8, 2612322), (9, 2322064), (12, 1741548), (16, 1306161), (17, 1229328), (18, 1161032), (24, 870774), (34, 614664), (36, 580516), (48, 435387), (51, 409776), (68, 307332), (72, 290258), (102, 204888), (136, 153666), (144, 145129), (153, 136592), (204, 102444), (272, 76833), (306, 68296), (408, 51222), (612, 34148), (816, 25611), (1224, 17074), (2448, 8537)]