20713156976

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5805257}}^1$

素因数の和:5805488

約数の個数: 20

約数和(自身を含む): 40311711552

約数和(自身を除く): 19598554576

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5805257, 11610514, 23221028, 46442056, 92884112, 1294572311, 2589144622, 5178289244, 10356578488, 20713156976]

約数ペア:

[(1, 20713156976), (2, 10356578488), (4, 5178289244), (8, 2589144622), (16, 1294572311), (223, 92884112), (446, 46442056), (892, 23221028), (1784, 11610514), (3568, 5805257)]