20123409628

素因数分解:

$2^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1290293}}^1$

素因数の和:1290861

約数の個数: 24

約数和(自身を含む): 40319106912

約数和(自身を除く): 20195697284

約数列:

[1, 2, 4, 7, 14, 28, 557, 1114, 2228, 3899, 7798, 15596, 1290293, 2580586, 5161172, 9032051, 18064102, 36128204, 718693201, 1437386402, 2874772804, 5030852407, 10061704814, 20123409628]

約数ペア:

[(1, 20123409628), (2, 10061704814), (4, 5030852407), (7, 2874772804), (14, 1437386402), (28, 718693201), (557, 36128204), (1114, 18064102), (2228, 9032051), (3899, 5161172), (7798, 2580586), (15596, 1290293)]