20178906064

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5655523}}^1$

素因数の和:5655754

約数の個数: 20

約数和(自身を含む): 39271958656

約数和(自身を除く): 19093052592

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5655523, 11311046, 22622092, 45244184, 90488368, 1261181629, 2522363258, 5044726516, 10089453032, 20178906064]

約数ペア:

[(1, 20178906064), (2, 10089453032), (4, 5044726516), (8, 2522363258), (16, 1261181629), (223, 90488368), (446, 45244184), (892, 22622092), (1784, 11311046), (3568, 5655523)]