20972118

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{5557}}^1$

素因数の和:5616

約数の個数: 32

約数和(自身を含む): 45620064

約数和(自身を除く): 24647946

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 222, 629, 1258, 1887, 3774, 5557, 11114, 16671, 33342, 94469, 188938, 205609, 283407, 411218, 566814, 616827, 1233654, 3495353, 6990706, 10486059, 20972118]

約数ペア:

[(1, 20972118), (2, 10486059), (3, 6990706), (6, 3495353), (17, 1233654), (34, 616827), (37, 566814), (51, 411218), (74, 283407), (102, 205609), (111, 188938), (222, 94469), (629, 33342), (1258, 16671), (1887, 11114), (3774, 5557)]