20140520405

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{440567}}^1$

素因数の和:440836

約数の個数: 16

約数和(自身を含む): 24869182464

約数和(自身を除く): 4728662059

約数列:

[1, 5, 41, 205, 223, 1115, 9143, 45715, 440567, 2202835, 18063247, 90316235, 98246441, 491232205, 4028104081, 20140520405]

約数ペア:

[(1, 20140520405), (5, 4028104081), (41, 491232205), (205, 98246441), (223, 90316235), (1115, 18063247), (9143, 2202835), (45715, 440567)]