20777386

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11329}}^1$

素因数の和:11469

約数の個数: 16

約数和(自身を含む): 35893440

約数和(自身を除く): 15116054

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11329, 22658, 79303, 158606, 1484099, 2968198, 10388693, 20777386]

約数ペア:

[(1, 20777386), (2, 10388693), (7, 2968198), (14, 1484099), (131, 158606), (262, 79303), (917, 22658), (1834, 11329)]