20444228

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{463}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 43653120

約数和(自身を除く): 23208892

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 463, 532, 581, 926, 1162, 1577, 1852, 2324, 3154, 3241, 6308, 6482, 8797, 11039, 12964, 17594, 22078, 35188, 38429, 44156, 61579, 76858, 123158, 153716, 246316, 269003, 538006, 730151, 1076012, 1460302, 2920604, 5111057, 10222114, 20444228]

約数ペア:

[(1, 20444228), (2, 10222114), (4, 5111057), (7, 2920604), (14, 1460302), (19, 1076012), (28, 730151), (38, 538006), (76, 269003), (83, 246316), (133, 153716), (166, 123158), (266, 76858), (332, 61579), (463, 44156), (532, 38429), (581, 35188), (926, 22078), (1162, 17594), (1577, 12964), (1852, 11039), (2324, 8797), (3154, 6482), (3241, 6308)]