20178331209

素因数分解:

$3^2\times {\mathrm{163}}^1\times {\mathrm{13754827}}^1$

素因数の和:13754996

約数の個数: 12

約数和(自身を含む): 29325293296

約数和(自身を除く): 9146962087

約数列:

[1, 3, 9, 163, 489, 1467, 13754827, 41264481, 123793443, 2242036801, 6726110403, 20178331209]

約数ペア:

[(1, 20178331209), (3, 6726110403), (9, 2242036801), (163, 123793443), (489, 41264481), (1467, 13754827)]