20019021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{929}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 29194560

約数和(自身を除く): 9175539

約数列:

[1, 3, 11, 33, 653, 929, 1959, 2787, 7183, 10219, 21549, 30657, 606637, 1819911, 6673007, 20019021]

約数ペア:

[(1, 20019021), (3, 6673007), (11, 1819911), (33, 606637), (653, 30657), (929, 21549), (1959, 10219), (2787, 7183)]