20809225462

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1\times {\mathrm{8419}}^1$

素因数の和:9100

約数の個数: 32

約数和(自身を含む): 33355324800

約数和(自身を除く): 12546099338

約数列:

[1, 2, 17, 34, 139, 278, 523, 1046, 2363, 4726, 8419, 8891, 16838, 17782, 72697, 143123, 145394, 286246, 1170241, 1235849, 2340482, 2471698, 4403137, 8806274, 19894097, 39788194, 74853329, 149706658, 612036043, 1224072086, 10404612731, 20809225462]

約数ペア:

[(1, 20809225462), (2, 10404612731), (17, 1224072086), (34, 612036043), (139, 149706658), (278, 74853329), (523, 39788194), (1046, 19894097), (2363, 8806274), (4726, 4403137), (8419, 2471698), (8891, 2340482), (16838, 1235849), (17782, 1170241), (72697, 286246), (143123, 145394)]