20363721

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9601}}^1$

素因数の和:9712

約数の個数: 16

約数和(自身を含む): 31340928

約数和(自身を除く): 10977207

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9601, 28803, 67207, 201621, 969701, 2909103, 6787907, 20363721]

約数ペア:

[(1, 20363721), (3, 6787907), (7, 2909103), (21, 969701), (101, 201621), (303, 67207), (707, 28803), (2121, 9601)]