20817660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{346961}}^1$

素因数の和:346973

約数の個数: 24

約数和(自身を含む): 58289616

約数和(自身を除く): 37471956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 346961, 693922, 1040883, 1387844, 1734805, 2081766, 3469610, 4163532, 5204415, 6939220, 10408830, 20817660]

約数ペア:

[(1, 20817660), (2, 10408830), (3, 6939220), (4, 5204415), (5, 4163532), (6, 3469610), (10, 2081766), (12, 1734805), (15, 1387844), (20, 1040883), (30, 693922), (60, 346961)]