20218572064

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{33721}}^1$

素因数の和:34229

約数の個数: 48

約数和(自身を含む): 40866612696

約数和(自身を除く): 20648040632

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 457, 656, 914, 1312, 1828, 3656, 7312, 14624, 18737, 33721, 37474, 67442, 74948, 134884, 149896, 269768, 299792, 539536, 599584, 1079072, 1382561, 2765122, 5530244, 11060488, 15410497, 22120976, 30820994, 44241952, 61641988, 123283976, 246567952, 493135904, 631830377, 1263660754, 2527321508, 5054643016, 10109286032, 20218572064]

約数ペア:

[(1, 20218572064), (2, 10109286032), (4, 5054643016), (8, 2527321508), (16, 1263660754), (32, 631830377), (41, 493135904), (82, 246567952), (164, 123283976), (328, 61641988), (457, 44241952), (656, 30820994), (914, 22120976), (1312, 15410497), (1828, 11060488), (3656, 5530244), (7312, 2765122), (14624, 1382561), (18737, 1079072), (33721, 599584), (37474, 539536), (67442, 299792), (74948, 269768), (134884, 149896)]