20581526

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86477}}^1$

素因数の和:86503

約数の個数: 16

約数和(自身を含む): 37358496

約数和(自身を除く): 16776970

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86477, 172954, 605339, 1210678, 1470109, 2940218, 10290763, 20581526]

約数ペア:

[(1, 20581526), (2, 10290763), (7, 2940218), (14, 1470109), (17, 1210678), (34, 605339), (119, 172954), (238, 86477)]