1318020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 4027968

約数和(自身を除く): 2709948

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 1997, 3994, 5991, 7988, 9985, 11982, 19970, 21967, 23964, 29955, 39940, 43934, 59910, 65901, 87868, 109835, 119820, 131802, 219670, 263604, 329505, 439340, 659010, 1318020]

約数ペア:

[(1, 1318020), (2, 659010), (3, 439340), (4, 329505), (5, 263604), (6, 219670), (10, 131802), (11, 119820), (12, 109835), (15, 87868), (20, 65901), (22, 59910), (30, 43934), (33, 39940), (44, 29955), (55, 23964), (60, 21967), (66, 19970), (110, 11982), (132, 9985), (165, 7988), (220, 5991), (330, 3994), (660, 1997)]