20218442385

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{25432003}}^1$

素因数の和:25432064

約数の個数: 16

約数和(自身を含む): 32959877184

約数和(自身を除く): 12741434799

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 25432003, 76296009, 127160015, 381480045, 1347896159, 4043688477, 6739480795, 20218442385]

約数ペア:

[(1, 20218442385), (3, 6739480795), (5, 4043688477), (15, 1347896159), (53, 381480045), (159, 127160015), (265, 76296009), (795, 25432003)]