203420194564

素因数分解:

$2^2\times {\mathrm{51991}}^1\times {\mathrm{978151}}^1$

素因数の和:1030146

約数の個数: 12

約数和(自身を含む): 355992551488

約数和(自身を除く): 152572356924

約数列:

[1, 2, 4, 51991, 103982, 207964, 978151, 1956302, 3912604, 50855048641, 101710097282, 203420194564]

約数ペア:

[(1, 203420194564), (2, 101710097282), (4, 50855048641), (51991, 3912604), (103982, 1956302), (207964, 978151)]