20173847240

素因数分解:

$2^3\times 5^1\times {\mathrm{504346181}}^1$

素因数の和:504346192

約数の個数: 16

約数和(自身を含む): 45391156380

約数和(自身を除く): 25217309140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504346181, 1008692362, 2017384724, 2521730905, 4034769448, 5043461810, 10086923620, 20173847240]

約数ペア:

[(1, 20173847240), (2, 10086923620), (4, 5043461810), (5, 4034769448), (8, 2521730905), (10, 2017384724), (20, 1008692362), (40, 504346181)]