20161995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3623}}^1$

素因数の和:3691

約数の個数: 32

約数和(自身を含む): 37573632

約数和(自身を除く): 17411637

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 3623, 5565, 10869, 18115, 25361, 54345, 76083, 126805, 192019, 380415, 576057, 960095, 1344133, 2880285, 4032399, 6720665, 20161995]

約数ペア:

[(1, 20161995), (3, 6720665), (5, 4032399), (7, 2880285), (15, 1344133), (21, 960095), (35, 576057), (53, 380415), (105, 192019), (159, 126805), (265, 76083), (371, 54345), (795, 25361), (1113, 18115), (1855, 10869), (3623, 5565)]