20147913

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15877}}^1$

素因数の和:15933

約数の個数: 16

約数和(自身を含む): 30485760

約数和(自身を除く): 10337847

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15877, 47631, 142893, 428679, 746219, 2238657, 6715971, 20147913]

約数ペア:

[(1, 20147913), (3, 6715971), (9, 2238657), (27, 746219), (47, 428679), (141, 142893), (423, 47631), (1269, 15877)]