20899398

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{267941}}^1$

素因数の和:267959

約数の個数: 16

約数和(自身を含む): 45014256

約数和(自身を除く): 24114858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 267941, 535882, 803823, 1607646, 3483233, 6966466, 10449699, 20899398]

約数ペア:

[(1, 20899398), (2, 10449699), (3, 6966466), (6, 3483233), (13, 1607646), (26, 803823), (39, 535882), (78, 267941)]