20357168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97871}}^1$

素因数の和:97892

約数の個数: 20

約数和(自身を含む): 42476448

約数和(自身を除く): 22119280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97871, 195742, 391484, 782968, 1272323, 1565936, 2544646, 5089292, 10178584, 20357168]

約数ペア:

[(1, 20357168), (2, 10178584), (4, 5089292), (8, 2544646), (13, 1565936), (16, 1272323), (26, 782968), (52, 391484), (104, 195742), (208, 97871)]