20369580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4409}}^1$

素因数の和:4439

約数の個数: 96

約数和(自身を含む): 71124480

約数和(自身を除く): 50754900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4409, 4620, 8818, 13227, 17636, 22045, 26454, 30863, 44090, 48499, 52908, 61726, 66135, 88180, 92589, 96998, 123452, 132270, 145497, 154315, 185178, 193996, 242495, 264540, 290994, 308630, 339493, 370356, 462945, 484990, 581988, 617260, 678986, 727485, 925890, 969980, 1018479, 1357972, 1454970, 1697465, 1851780, 2036958, 2909940, 3394930, 4073916, 5092395, 6789860, 10184790, 20369580]

約数ペア:

[(1, 20369580), (2, 10184790), (3, 6789860), (4, 5092395), (5, 4073916), (6, 3394930), (7, 2909940), (10, 2036958), (11, 1851780), (12, 1697465), (14, 1454970), (15, 1357972), (20, 1018479), (21, 969980), (22, 925890), (28, 727485), (30, 678986), (33, 617260), (35, 581988), (42, 484990), (44, 462945), (55, 370356), (60, 339493), (66, 308630), (70, 290994), (77, 264540), (84, 242495), (105, 193996), (110, 185178), (132, 154315), (140, 145497), (154, 132270), (165, 123452), (210, 96998), (220, 92589), (231, 88180), (308, 66135), (330, 61726), (385, 52908), (420, 48499), (462, 44090), (660, 30863), (770, 26454), (924, 22045), (1155, 17636), (1540, 13227), (2310, 8818), (4409, 4620)]