20090192

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{317}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 41521896

約数和(自身を除く): 21431704

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 233, 272, 317, 466, 634, 932, 1268, 1864, 2536, 3728, 3961, 5072, 5389, 7922, 10778, 15844, 21556, 31688, 43112, 63376, 73861, 86224, 147722, 295444, 590888, 1181776, 1255637, 2511274, 5022548, 10045096, 20090192]

約数ペア:

[(1, 20090192), (2, 10045096), (4, 5022548), (8, 2511274), (16, 1255637), (17, 1181776), (34, 590888), (68, 295444), (136, 147722), (233, 86224), (272, 73861), (317, 63376), (466, 43112), (634, 31688), (932, 21556), (1268, 15844), (1864, 10778), (2536, 7922), (3728, 5389), (3961, 5072)]