27931420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126961}}^1$

素因数の和:126981

約数の個数: 24

約数和(自身を含む): 63988848

約数和(自身を除く): 36057428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 126961, 253922, 507844, 634805, 1269610, 1396571, 2539220, 2793142, 5586284, 6982855, 13965710, 27931420]

約数ペア:

[(1, 27931420), (2, 13965710), (4, 6982855), (5, 5586284), (10, 2793142), (11, 2539220), (20, 1396571), (22, 1269610), (44, 634805), (55, 507844), (110, 253922), (220, 126961)]