20858552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18233}}^1$

素因数の和:18263

約数の個数: 32

約数和(自身を含む): 45949680

約数和(自身を除く): 25091128

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18233, 36466, 72932, 145864, 200563, 237029, 401126, 474058, 802252, 948116, 1604504, 1896232, 2607319, 5214638, 10429276, 20858552]

約数ペア:

[(1, 20858552), (2, 10429276), (4, 5214638), (8, 2607319), (11, 1896232), (13, 1604504), (22, 948116), (26, 802252), (44, 474058), (52, 401126), (88, 237029), (104, 200563), (143, 145864), (286, 72932), (572, 36466), (1144, 18233)]