20871036190

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6305449}}^1$

素因数の和:6305787

約数の個数: 16

約数和(自身を含む): 37681369200

約数和(自身を除く): 16810333010

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 6305449, 12610898, 31527245, 63054490, 2087103619, 4174207238, 10435518095, 20871036190]

約数ペア:

[(1, 20871036190), (2, 10435518095), (5, 4174207238), (10, 2087103619), (331, 63054490), (662, 31527245), (1655, 12610898), (3310, 6305449)]