20992504

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15527}}^1$

素因数の和:15559

約数の個数: 24

約数和(自身を含む): 42624360

約数和(自身を除く): 21631856

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15527, 31054, 62108, 124216, 201851, 403702, 807404, 1614808, 2624063, 5248126, 10496252, 20992504]

約数ペア:

[(1, 20992504), (2, 10496252), (4, 5248126), (8, 2624063), (13, 1614808), (26, 807404), (52, 403702), (104, 201851), (169, 124216), (338, 62108), (676, 31054), (1352, 15527)]