20009464

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 38546640

約数和(自身を除く): 18537176

約数列:

[1, 2, 4, 8, 61, 122, 131, 244, 262, 313, 488, 524, 626, 1048, 1252, 2504, 7991, 15982, 19093, 31964, 38186, 41003, 63928, 76372, 82006, 152744, 164012, 328024, 2501183, 5002366, 10004732, 20009464]

約数ペア:

[(1, 20009464), (2, 10004732), (4, 5002366), (8, 2501183), (61, 328024), (122, 164012), (131, 152744), (244, 82006), (262, 76372), (313, 63928), (488, 41003), (524, 38186), (626, 31964), (1048, 19093), (1252, 15982), (2504, 7991)]