20187105

素因数分解:

$3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5003}}^1$

素因数の和:5280

約数の個数: 16

約数和(自身を含む): 32425920

約数和(自身を除く): 12238815

約数列:

[1, 3, 5, 15, 269, 807, 1345, 4035, 5003, 15009, 25015, 75045, 1345807, 4037421, 6729035, 20187105]

約数ペア:

[(1, 20187105), (3, 6729035), (5, 4037421), (15, 1345807), (269, 75045), (807, 25015), (1345, 15009), (4035, 5003)]