20876638516

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{463}}^1\times {\mathrm{81097}}^1$

素因数の和:81703

約数の個数: 24

約数和(自身を含む): 36876882560

約数和(自身を除く): 16000244044

約数列:

[1, 2, 4, 139, 278, 463, 556, 926, 1852, 64357, 81097, 128714, 162194, 257428, 324388, 11272483, 22544966, 37547911, 45089932, 75095822, 150191644, 5219159629, 10438319258, 20876638516]

約数ペア:

[(1, 20876638516), (2, 10438319258), (4, 5219159629), (139, 150191644), (278, 75095822), (463, 45089932), (556, 37547911), (926, 22544966), (1852, 11272483), (64357, 324388), (81097, 257428), (128714, 162194)]