20961022

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2269}}^1$

素因数の和:2451

約数の個数: 16

約数和(自身を含む): 32688000

約数和(自身を除く): 11726978

約数列:

[1, 2, 31, 62, 149, 298, 2269, 4538, 4619, 9238, 70339, 140678, 338081, 676162, 10480511, 20961022]

約数ペア:

[(1, 20961022), (2, 10480511), (31, 676162), (62, 338081), (149, 140678), (298, 70339), (2269, 9238), (4538, 4619)]