20925088

素因数分解:

$2^5\times {\mathrm{41}}^2\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 36

約数和(自身を含む): 42334110

約数和(自身を除く): 21409022

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 389, 656, 778, 1312, 1556, 1681, 3112, 3362, 6224, 6724, 12448, 13448, 15949, 26896, 31898, 53792, 63796, 127592, 255184, 510368, 653909, 1307818, 2615636, 5231272, 10462544, 20925088]

約数ペア:

[(1, 20925088), (2, 10462544), (4, 5231272), (8, 2615636), (16, 1307818), (32, 653909), (41, 510368), (82, 255184), (164, 127592), (328, 63796), (389, 53792), (656, 31898), (778, 26896), (1312, 15949), (1556, 13448), (1681, 12448), (3112, 6724), (3362, 6224)]