20678920005

素因数分解:

$3^1\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{738401}}^1$

素因数の和:740276

約数の個数: 16

約数和(自身を含む): 33104038464

約数和(自身を除く): 12425118459

約数列:

[1, 3, 5, 15, 1867, 5601, 9335, 28005, 738401, 2215203, 3692005, 11076015, 1378594667, 4135784001, 6892973335, 20678920005]

約数ペア:

[(1, 20678920005), (3, 6892973335), (5, 4135784001), (15, 1378594667), (1867, 11076015), (5601, 3692005), (9335, 2215203), (28005, 738401)]