20199271792

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9492139}}^1$

素因数の和:9492173

約数の個数: 40

約数和(自身を含む): 47081014400

約数和(自身を除く): 26881742608

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9492139, 18984278, 37968556, 66444973, 75937112, 132889946, 151874224, 180350641, 265779892, 360701282, 531559784, 721402564, 1063119568, 1262454487, 1442805128, 2524908974, 2885610256, 5049817948, 10099635896, 20199271792]

約数ペア:

[(1, 20199271792), (2, 10099635896), (4, 5049817948), (7, 2885610256), (8, 2524908974), (14, 1442805128), (16, 1262454487), (19, 1063119568), (28, 721402564), (38, 531559784), (56, 360701282), (76, 265779892), (112, 180350641), (133, 151874224), (152, 132889946), (266, 75937112), (304, 66444973), (532, 37968556), (1064, 18984278), (2128, 9492139)]