20796503

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1321}}^1$

素因数の和:1514

約数の個数: 16

約数和(自身を含む): 25763136

約数和(自身を除く): 4966633

約数列:

[1, 7, 13, 91, 173, 1211, 1321, 2249, 9247, 15743, 17173, 120211, 228533, 1599731, 2970929, 20796503]

約数ペア:

[(1, 20796503), (7, 2970929), (13, 1599731), (91, 228533), (173, 120211), (1211, 17173), (1321, 15743), (2249, 9247)]