20244888

素因数分解:

$2^3\times 3^2\times {\mathrm{317}}^1\times {\mathrm{887}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 55064880

約数和(自身を除く): 34819992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 317, 634, 887, 951, 1268, 1774, 1902, 2536, 2661, 2853, 3548, 3804, 5322, 5706, 7096, 7608, 7983, 10644, 11412, 15966, 21288, 22824, 31932, 63864, 281179, 562358, 843537, 1124716, 1687074, 2249432, 2530611, 3374148, 5061222, 6748296, 10122444, 20244888]

約数ペア:

[(1, 20244888), (2, 10122444), (3, 6748296), (4, 5061222), (6, 3374148), (8, 2530611), (9, 2249432), (12, 1687074), (18, 1124716), (24, 843537), (36, 562358), (72, 281179), (317, 63864), (634, 31932), (887, 22824), (951, 21288), (1268, 15966), (1774, 11412), (1902, 10644), (2536, 7983), (2661, 7608), (2853, 7096), (3548, 5706), (3804, 5322)]