20978238

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4783}}^1$

素因数の和:4848

約数の個数: 32

約数和(自身を含む): 45467136

約数和(自身を除く): 24488898

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 731, 1462, 2193, 4386, 4783, 9566, 14349, 28698, 81311, 162622, 205669, 243933, 411338, 487866, 617007, 1234014, 3496373, 6992746, 10489119, 20978238]

約数ペア:

[(1, 20978238), (2, 10489119), (3, 6992746), (6, 3496373), (17, 1234014), (34, 617007), (43, 487866), (51, 411338), (86, 243933), (102, 205669), (129, 162622), (258, 81311), (731, 28698), (1462, 14349), (2193, 9566), (4386, 4783)]