20198948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65581}}^1$

素因数の和:65603

約数の個数: 24

約数和(自身を含む): 44071104

約数和(自身を除く): 23872156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 65581, 131162, 262324, 459067, 721391, 918134, 1442782, 1836268, 2885564, 5049737, 10099474, 20198948]

約数ペア:

[(1, 20198948), (2, 10099474), (4, 5049737), (7, 2885564), (11, 1836268), (14, 1442782), (22, 918134), (28, 721391), (44, 459067), (77, 262324), (154, 131162), (308, 65581)]