20138043

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7517}}^1$

素因数の和:7586

約数の個数: 16

約数和(自身を含む): 28869120

約数和(自身を除く): 8731077

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7517, 22551, 142823, 353299, 428469, 1059897, 6712681, 20138043]

約数ペア:

[(1, 20138043), (3, 6712681), (19, 1059897), (47, 428469), (57, 353299), (141, 142823), (893, 22551), (2679, 7517)]