20928038380

素因数分解:

$2^2\times 5^1\times {\mathrm{157141}}^1\times {\mathrm{6659}}^1$

素因数の和:163809

約数の個数: 24

約数和(自身を含む): 43955760240

約数和(自身を除く): 23027721860

約数列:

[1, 2, 4, 5, 10, 20, 6659, 13318, 26636, 33295, 66590, 133180, 157141, 314282, 628564, 785705, 1571410, 3142820, 1046401919, 2092803838, 4185607676, 5232009595, 10464019190, 20928038380]

約数ペア:

[(1, 20928038380), (2, 10464019190), (4, 5232009595), (5, 4185607676), (10, 2092803838), (20, 1046401919), (6659, 3142820), (13318, 1571410), (26636, 785705), (33295, 628564), (66590, 314282), (133180, 157141)]