20910428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67891}}^1$

素因数の和:67913

約数の個数: 24

約数和(自身を含む): 45623424

約数和(自身を除く): 24712996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67891, 135782, 271564, 475237, 746801, 950474, 1493602, 1900948, 2987204, 5227607, 10455214, 20910428]

約数ペア:

[(1, 20910428), (2, 10455214), (4, 5227607), (7, 2987204), (11, 1900948), (14, 1493602), (22, 950474), (28, 746801), (44, 475237), (77, 271564), (154, 135782), (308, 67891)]