22720984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19861}}^1$

素因数の和:19891

約数の個数: 32

約数和(自身を含む): 50052240

約数和(自身を除く): 27331256

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 19861, 39722, 79444, 158888, 218471, 258193, 436942, 516386, 873884, 1032772, 1747768, 2065544, 2840123, 5680246, 11360492, 22720984]

約数ペア:

[(1, 22720984), (2, 11360492), (4, 5680246), (8, 2840123), (11, 2065544), (13, 1747768), (22, 1032772), (26, 873884), (44, 516386), (52, 436942), (88, 258193), (104, 218471), (143, 158888), (286, 79444), (572, 39722), (1144, 19861)]