20485003

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1193}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 25675776

約数和(自身を除く): 5190773

約数列:

[1, 7, 11, 77, 223, 1193, 1561, 2453, 8351, 13123, 17171, 91861, 266039, 1862273, 2926429, 20485003]

約数ペア:

[(1, 20485003), (7, 2926429), (11, 1862273), (77, 266039), (223, 91861), (1193, 17171), (1561, 13123), (2453, 8351)]