20188005

素因数分解:

$3^1\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{1283}}^1$

素因数の和:2340

約数の個数: 16

約数和(自身を含む): 32356800

約数和(自身を除く): 12168795

約数列:

[1, 3, 5, 15, 1049, 1283, 3147, 3849, 5245, 6415, 15735, 19245, 1345867, 4037601, 6729335, 20188005]

約数ペア:

[(1, 20188005), (3, 6729335), (5, 4037601), (15, 1345867), (1049, 19245), (1283, 15735), (3147, 6415), (3849, 5245)]