1720816

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:960

約数の個数: 20

約数和(自身を含む): 3363624

約数和(自身を除く): 1642808

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 821, 1048, 1642, 2096, 3284, 6568, 13136, 107551, 215102, 430204, 860408, 1720816]

約数ペア:

[(1, 1720816), (2, 860408), (4, 430204), (8, 215102), (16, 107551), (131, 13136), (262, 6568), (524, 3284), (821, 2096), (1048, 1642)]