20840776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13931}}^1$

素因数の和:13965

約数の個数: 32

約数和(自身を含む): 45139680

約数和(自身を除く): 24298904

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13931, 27862, 55724, 111448, 153241, 236827, 306482, 473654, 612964, 947308, 1225928, 1894616, 2605097, 5210194, 10420388, 20840776]

約数ペア:

[(1, 20840776), (2, 10420388), (4, 5210194), (8, 2605097), (11, 1894616), (17, 1225928), (22, 947308), (34, 612964), (44, 473654), (68, 306482), (88, 236827), (136, 153241), (187, 111448), (374, 55724), (748, 27862), (1496, 13931)]