20249516

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 24908884

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2239, 2261, 4478, 4522, 8956, 9044, 15673, 31346, 38063, 42541, 62692, 76126, 85082, 152252, 170164, 266441, 297787, 532882, 595574, 723197, 1065764, 1191148, 1446394, 2892788, 5062379, 10124758, 20249516]

約数ペア:

[(1, 20249516), (2, 10124758), (4, 5062379), (7, 2892788), (14, 1446394), (17, 1191148), (19, 1065764), (28, 723197), (34, 595574), (38, 532882), (68, 297787), (76, 266441), (119, 170164), (133, 152252), (238, 85082), (266, 76126), (323, 62692), (476, 42541), (532, 38063), (646, 31346), (1292, 15673), (2239, 9044), (2261, 8956), (4478, 4522)]