20805294

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1409}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 43856640

約数和(自身を除く): 23051346

約数列:

[1, 2, 3, 6, 23, 46, 69, 107, 138, 214, 321, 642, 1409, 2461, 2818, 4227, 4922, 7383, 8454, 14766, 32407, 64814, 97221, 150763, 194442, 301526, 452289, 904578, 3467549, 6935098, 10402647, 20805294]

約数ペア:

[(1, 20805294), (2, 10402647), (3, 6935098), (6, 3467549), (23, 904578), (46, 452289), (69, 301526), (107, 194442), (138, 150763), (214, 97221), (321, 64814), (642, 32407), (1409, 14766), (2461, 8454), (2818, 7383), (4227, 4922)]