20657202648

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{2384257}}^1$

素因数の和:2384304

約数の個数: 48

約数和(自身を含む): 54504137880

約数和(自身を除く): 33846935232

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 361, 456, 722, 1083, 1444, 2166, 2888, 4332, 8664, 2384257, 4768514, 7152771, 9537028, 14305542, 19074056, 28611084, 45300883, 57222168, 90601766, 135902649, 181203532, 271805298, 362407064, 543610596, 860716777, 1087221192, 1721433554, 2582150331, 3442867108, 5164300662, 6885734216, 10328601324, 20657202648]

約数ペア:

[(1, 20657202648), (2, 10328601324), (3, 6885734216), (4, 5164300662), (6, 3442867108), (8, 2582150331), (12, 1721433554), (19, 1087221192), (24, 860716777), (38, 543610596), (57, 362407064), (76, 271805298), (114, 181203532), (152, 135902649), (228, 90601766), (361, 57222168), (456, 45300883), (722, 28611084), (1083, 19074056), (1444, 14305542), (2166, 9537028), (2888, 7152771), (4332, 4768514), (8664, 2384257)]