20788446

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70709}}^1$

素因数の和:70728

約数の個数: 24

約数和(自身を含む): 48365640

約数和(自身を除く): 27577194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70709, 141418, 212127, 424254, 494963, 989926, 1484889, 2969778, 3464741, 6929482, 10394223, 20788446]

約数ペア:

[(1, 20788446), (2, 10394223), (3, 6929482), (6, 3464741), (7, 2969778), (14, 1484889), (21, 989926), (42, 494963), (49, 424254), (98, 212127), (147, 141418), (294, 70709)]