20402848

素因数分解:

$2^5\times {\mathrm{281}}^1\times {\mathrm{2269}}^1$

素因数の和:2560

約数の個数: 24

約数和(自身を含む): 40328820

約数和(自身を除く): 19925972

約数列:

[1, 2, 4, 8, 16, 32, 281, 562, 1124, 2248, 2269, 4496, 4538, 8992, 9076, 18152, 36304, 72608, 637589, 1275178, 2550356, 5100712, 10201424, 20402848]

約数ペア:

[(1, 20402848), (2, 10201424), (4, 5100712), (8, 2550356), (16, 1275178), (32, 637589), (281, 72608), (562, 36304), (1124, 18152), (2248, 9076), (2269, 8992), (4496, 4538)]