20215078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{1381}}^1$

素因数の和:1959

約数の個数: 16

約数和(自身を含む): 32736816

約数和(自身を除く): 12521738

約数列:

[1, 2, 13, 26, 563, 1126, 1381, 2762, 7319, 14638, 17953, 35906, 777503, 1555006, 10107539, 20215078]

約数ペア:

[(1, 20215078), (2, 10107539), (13, 1555006), (26, 777503), (563, 35906), (1126, 17953), (1381, 14638), (2762, 7319)]