20077372

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17489}}^1$

素因数の和:17541

約数の個数: 24

約数和(自身を含む): 41136480

約数和(自身を除く): 21059108

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17489, 34978, 69956, 122423, 244846, 489692, 717049, 1434098, 2868196, 5019343, 10038686, 20077372]

約数ペア:

[(1, 20077372), (2, 10038686), (4, 5019343), (7, 2868196), (14, 1434098), (28, 717049), (41, 489692), (82, 244846), (164, 122423), (287, 69956), (574, 34978), (1148, 17489)]