2148366820

素因数分解:

$2^2\times 5^1\times {\mathrm{10243}}^1\times {\mathrm{10487}}^1$

素因数の和:20739

約数の個数: 24

約数和(自身を含む): 4512441024

約数和(自身を除く): 2364074204

約数列:

[1, 2, 4, 5, 10, 20, 10243, 10487, 20486, 20974, 40972, 41948, 51215, 52435, 102430, 104870, 204860, 209740, 107418341, 214836682, 429673364, 537091705, 1074183410, 2148366820]

約数ペア:

[(1, 2148366820), (2, 1074183410), (4, 537091705), (5, 429673364), (10, 214836682), (20, 107418341), (10243, 209740), (10487, 204860), (20486, 104870), (20974, 102430), (40972, 52435), (41948, 51215)]