20377798

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{85621}}^1$

素因数の和:85647

約数の個数: 16

約数和(自身を含む): 36988704

約数和(自身を除く): 16610906

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 85621, 171242, 599347, 1198694, 1455557, 2911114, 10188899, 20377798]

約数ペア:

[(1, 20377798), (2, 10188899), (7, 2911114), (14, 1455557), (17, 1198694), (34, 599347), (119, 171242), (238, 85621)]