20882248

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 40068000

約数和(自身を除く): 19185752

約数列:

[1, 2, 4, 8, 89, 139, 178, 211, 278, 356, 422, 556, 712, 844, 1112, 1688, 12371, 18779, 24742, 29329, 37558, 49484, 58658, 75116, 98968, 117316, 150232, 234632, 2610281, 5220562, 10441124, 20882248]

約数ペア:

[(1, 20882248), (2, 10441124), (4, 5220562), (8, 2610281), (89, 234632), (139, 150232), (178, 117316), (211, 98968), (278, 75116), (356, 58658), (422, 49484), (556, 37558), (712, 29329), (844, 24742), (1112, 18779), (1688, 12371)]