20001608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6143}}^1$

素因数の和:6197

約数の個数: 32

約数和(自身を含む): 42024960

約数和(自身を除く): 22023352

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6143, 12286, 24572, 49144, 67573, 135146, 227291, 270292, 454582, 540584, 909164, 1818328, 2500201, 5000402, 10000804, 20001608]

約数ペア:

[(1, 20001608), (2, 10000804), (4, 5000402), (8, 2500201), (11, 1818328), (22, 909164), (37, 540584), (44, 454582), (74, 270292), (88, 227291), (148, 135146), (296, 67573), (407, 49144), (814, 24572), (1628, 12286), (3256, 6143)]