20805220791

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{33502771}}^1$

素因数の和:33502803

約数の個数: 16

約数和(自身を含む): 32162661120

約数和(自身を除く): 11357440329

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 33502771, 100508313, 301524939, 770563733, 904574817, 2311691199, 6935073597, 20805220791]

約数ペア:

[(1, 20805220791), (3, 6935073597), (9, 2311691199), (23, 904574817), (27, 770563733), (69, 301524939), (207, 100508313), (621, 33502771)]