16814220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4030

約数の個数: 48

約数和(自身を含む): 47755008

約数和(自身を除く): 30940788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 3947, 4260, 7894, 11841, 15788, 19735, 23682, 39470, 47364, 59205, 78940, 118410, 236820, 280237, 560474, 840711, 1120948, 1401185, 1681422, 2802370, 3362844, 4203555, 5604740, 8407110, 16814220]

約数ペア:

[(1, 16814220), (2, 8407110), (3, 5604740), (4, 4203555), (5, 3362844), (6, 2802370), (10, 1681422), (12, 1401185), (15, 1120948), (20, 840711), (30, 560474), (60, 280237), (71, 236820), (142, 118410), (213, 78940), (284, 59205), (355, 47364), (426, 39470), (710, 23682), (852, 19735), (1065, 15788), (1420, 11841), (2130, 7894), (3947, 4260)]