20988792

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{26501}}^1$

素因数の和:26524

約数の個数: 48

約数和(自身を含む): 62014680

約数和(自身を除く): 41025888

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 26501, 53002, 79503, 106004, 159006, 212008, 238509, 291511, 318012, 477018, 583022, 636024, 874533, 954036, 1166044, 1749066, 1908072, 2332088, 2623599, 3498132, 5247198, 6996264, 10494396, 20988792]

約数ペア:

[(1, 20988792), (2, 10494396), (3, 6996264), (4, 5247198), (6, 3498132), (8, 2623599), (9, 2332088), (11, 1908072), (12, 1749066), (18, 1166044), (22, 954036), (24, 874533), (33, 636024), (36, 583022), (44, 477018), (66, 318012), (72, 291511), (88, 238509), (99, 212008), (132, 159006), (198, 106004), (264, 79503), (396, 53002), (792, 26501)]