20973394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{10211}}^1$

素因数の和:10305

約数の個数: 16

約数和(自身を含む): 34312320

約数和(自身を除く): 13338926

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 10211, 20422, 132743, 265486, 806669, 1613338, 10486697, 20973394]

約数ペア:

[(1, 20973394), (2, 10486697), (13, 1613338), (26, 806669), (79, 265486), (158, 132743), (1027, 20422), (2054, 10211)]