20148898

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18691}}^1$

素因数の和:18718

約数の個数: 24

約数和(自身を含む): 38355984

約数和(自身を除く): 18207086

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18691, 37382, 130837, 205601, 261674, 411202, 915859, 1439207, 1831718, 2878414, 10074449, 20148898]

約数ペア:

[(1, 20148898), (2, 10074449), (7, 2878414), (11, 1831718), (14, 1439207), (22, 915859), (49, 411202), (77, 261674), (98, 205601), (154, 130837), (539, 37382), (1078, 18691)]