20295909

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 31351320

約数和(自身を除く): 11055411

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 981, 1217, 1853, 3651, 5559, 10953, 16677, 20689, 62067, 132653, 186201, 397959, 1193877, 2255101, 6765303, 20295909]

約数ペア:

[(1, 20295909), (3, 6765303), (9, 2255101), (17, 1193877), (51, 397959), (109, 186201), (153, 132653), (327, 62067), (981, 20689), (1217, 16677), (1853, 10953), (3651, 5559)]