20128020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30497}}^1$

素因数の和:30520

約数の個数: 48

約数和(自身を含む): 61483968

約数和(自身を除く): 41355948

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, 30497, 60994, 91491, 121988, 152485, 182982, 304970, 335467, 365964, 457455, 609940, 670934, 914910, 1006401, 1341868, 1677335, 1829820, 2012802, 3354670, 4025604, 5032005, 6709340, 10064010, 20128020]

約数ペア:

[(1, 20128020), (2, 10064010), (3, 6709340), (4, 5032005), (5, 4025604), (6, 3354670), (10, 2012802), (11, 1829820), (12, 1677335), (15, 1341868), (20, 1006401), (22, 914910), (30, 670934), (33, 609940), (44, 457455), (55, 365964), (60, 335467), (66, 304970), (110, 182982), (132, 152485), (165, 121988), (220, 91491), (330, 60994), (660, 30497)]