20438900752

素因数分解:

$2^4\times {\mathrm{1021}}^1\times {\mathrm{1251157}}^1$

素因数の和:1252186

約数の個数: 20

約数和(自身を含む): 39639187756

約数和(自身を除く): 19200287004

約数列:

[1, 2, 4, 8, 16, 1021, 2042, 4084, 8168, 16336, 1251157, 2502314, 5004628, 10009256, 20018512, 1277431297, 2554862594, 5109725188, 10219450376, 20438900752]

約数ペア:

[(1, 20438900752), (2, 10219450376), (4, 5109725188), (8, 2554862594), (16, 1277431297), (1021, 20018512), (2042, 10009256), (4084, 5004628), (8168, 2502314), (16336, 1251157)]