20111897816

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1\times {\mathrm{907}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 38833344000

約数和(自身を除く): 18721446184

約数列:

[1, 2, 4, 8, 59, 109, 118, 218, 236, 431, 436, 472, 862, 872, 907, 1724, 1814, 3448, 3628, 6431, 7256, 12862, 25429, 25724, 46979, 50858, 51448, 53513, 93958, 98863, 101716, 107026, 187916, 197726, 203432, 214052, 375832, 390917, 395452, 428104, 781834, 790904, 1563668, 2771761, 3127336, 5543522, 5832917, 11087044, 11665834, 22174088, 23064103, 23331668, 42609953, 46128206, 46663336, 85219906, 92256412, 170439812, 184512824, 340879624, 2513987227, 5027974454, 10055948908, 20111897816]

約数ペア:

[(1, 20111897816), (2, 10055948908), (4, 5027974454), (8, 2513987227), (59, 340879624), (109, 184512824), (118, 170439812), (218, 92256412), (236, 85219906), (431, 46663336), (436, 46128206), (472, 42609953), (862, 23331668), (872, 23064103), (907, 22174088), (1724, 11665834), (1814, 11087044), (3448, 5832917), (3628, 5543522), (6431, 3127336), (7256, 2771761), (12862, 1563668), (25429, 790904), (25724, 781834), (46979, 428104), (50858, 395452), (51448, 390917), (53513, 375832), (93958, 214052), (98863, 203432), (101716, 197726), (107026, 187916)]