20883375568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{853637}}^1$

素因数の和:853795

約数の個数: 40

約数和(自身を含む): 44457467040

約数和(自身を除く): 23574091472

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 278, 556, 1112, 1529, 2224, 3058, 6116, 12232, 24464, 853637, 1707274, 3414548, 6829096, 9390007, 13658192, 18780014, 37560028, 75120056, 118655543, 150240112, 237311086, 474622172, 949244344, 1305210973, 1898488688, 2610421946, 5220843892, 10441687784, 20883375568]

約数ペア:

[(1, 20883375568), (2, 10441687784), (4, 5220843892), (8, 2610421946), (11, 1898488688), (16, 1305210973), (22, 949244344), (44, 474622172), (88, 237311086), (139, 150240112), (176, 118655543), (278, 75120056), (556, 37560028), (1112, 18780014), (1529, 13658192), (2224, 9390007), (3058, 6829096), (6116, 3414548), (12232, 1707274), (24464, 853637)]