20393010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20599}}^1$

素因数の和:20623

約数の個数: 48

約数和(自身を含む): 57844800

約数和(自身を除く): 37451790

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20599, 41198, 61797, 102995, 123594, 185391, 205990, 226589, 308985, 370782, 453178, 617970, 679767, 926955, 1132945, 1359534, 1853910, 2039301, 2265890, 3398835, 4078602, 6797670, 10196505, 20393010]

約数ペア:

[(1, 20393010), (2, 10196505), (3, 6797670), (5, 4078602), (6, 3398835), (9, 2265890), (10, 2039301), (11, 1853910), (15, 1359534), (18, 1132945), (22, 926955), (30, 679767), (33, 617970), (45, 453178), (55, 370782), (66, 308985), (90, 226589), (99, 205990), (110, 185391), (165, 123594), (198, 102995), (330, 61797), (495, 41198), (990, 20599)]