20133440540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{319477}}^1$

素因数の和:319646

約数の個数: 48

約数和(自身を含む): 44440667712

約数和(自身を除く): 24307227172

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 460, 548, 685, 1370, 2740, 3151, 6302, 12604, 15755, 31510, 63020, 319477, 638954, 1277908, 1597385, 3194770, 6389540, 7347971, 14695942, 29391884, 36739855, 43768349, 73479710, 87536698, 146959420, 175073396, 218841745, 437683490, 875366980, 1006672027, 2013344054, 4026688108, 5033360135, 10066720270, 20133440540]

約数ペア:

[(1, 20133440540), (2, 10066720270), (4, 5033360135), (5, 4026688108), (10, 2013344054), (20, 1006672027), (23, 875366980), (46, 437683490), (92, 218841745), (115, 175073396), (137, 146959420), (230, 87536698), (274, 73479710), (460, 43768349), (548, 36739855), (685, 29391884), (1370, 14695942), (2740, 7347971), (3151, 6389540), (6302, 3194770), (12604, 1597385), (15755, 1277908), (31510, 638954), (63020, 319477)]