20155017968

素因数分解:

$2^4\times {\mathrm{1549}}^1\times {\mathrm{813227}}^1$

素因数の和:814784

約数の個数: 20

約数和(自身を含む): 39075605400

約数和(自身を除く): 18920587432

約数列:

[1, 2, 4, 8, 16, 1549, 3098, 6196, 12392, 24784, 813227, 1626454, 3252908, 6505816, 13011632, 1259688623, 2519377246, 5038754492, 10077508984, 20155017968]

約数ペア:

[(1, 20155017968), (2, 10077508984), (4, 5038754492), (8, 2519377246), (16, 1259688623), (1549, 13011632), (3098, 6505816), (6196, 3252908), (12392, 1626454), (24784, 813227)]