66684220

素因数分解:

$2^2\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{3119}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 140212800

約数和(自身を除く): 73528580

約数列:

[1, 2, 4, 5, 10, 20, 1069, 2138, 3119, 4276, 5345, 6238, 10690, 12476, 15595, 21380, 31190, 62380, 3334211, 6668422, 13336844, 16671055, 33342110, 66684220]

約数ペア:

[(1, 66684220), (2, 33342110), (4, 16671055), (5, 13336844), (10, 6668422), (20, 3334211), (1069, 62380), (2138, 31190), (3119, 21380), (4276, 15595), (5345, 12476), (6238, 10690)]