20179782736

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{1759}}^1\times {\mathrm{4567}}^1$

素因数の和:6491

約数の個数: 40

約数和(自身を含む): 39378352640

約数和(自身を除く): 19198569904

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 1759, 2512, 3518, 4567, 7036, 9134, 14072, 18268, 28144, 36536, 73072, 276163, 552326, 717019, 1104652, 1434038, 2209304, 2868076, 4418608, 5736152, 8033353, 11472304, 16066706, 32133412, 64266824, 128533648, 1261236421, 2522472842, 5044945684, 10089891368, 20179782736]

約数ペア:

[(1, 20179782736), (2, 10089891368), (4, 5044945684), (8, 2522472842), (16, 1261236421), (157, 128533648), (314, 64266824), (628, 32133412), (1256, 16066706), (1759, 11472304), (2512, 8033353), (3518, 5736152), (4567, 4418608), (7036, 2868076), (9134, 2209304), (14072, 1434038), (18268, 1104652), (28144, 717019), (36536, 552326), (73072, 276163)]