20121479188

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{313}}^1\times {\mathrm{126547}}^1$

素因数の和:126991

約数の個数: 24

約数和(自身を含む): 35603520512

約数和(自身を除く): 15482041324

約数列:

[1, 2, 4, 127, 254, 313, 508, 626, 1252, 39751, 79502, 126547, 159004, 253094, 506188, 16071469, 32142938, 39609211, 64285876, 79218422, 158436844, 5030369797, 10060739594, 20121479188]

約数ペア:

[(1, 20121479188), (2, 10060739594), (4, 5030369797), (127, 158436844), (254, 79218422), (313, 64285876), (508, 39609211), (626, 32142938), (1252, 16071469), (39751, 506188), (79502, 253094), (126547, 159004)]