20120665030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1\times {\mathrm{74419}}^1$

素因数の和:75868

約数の個数: 32

約数和(自身を含む): 38150668800

約数和(自身を除く): 18030003770

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1423, 2846, 7115, 14230, 27037, 54074, 74419, 135185, 148838, 270370, 372095, 744190, 1413961, 2827922, 7069805, 14139610, 105898237, 211796474, 529491185, 1058982370, 2012066503, 4024133006, 10060332515, 20120665030]

約数ペア:

[(1, 20120665030), (2, 10060332515), (5, 4024133006), (10, 2012066503), (19, 1058982370), (38, 529491185), (95, 211796474), (190, 105898237), (1423, 14139610), (2846, 7069805), (7115, 2827922), (14230, 1413961), (27037, 744190), (54074, 372095), (74419, 270370), (135185, 148838)]