20920635

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4603}}^1$

素因数の和:4715

約数の個数: 24

約数和(自身を含む): 36629424

約数和(自身を除く): 15708789

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4545, 4603, 13809, 23015, 41427, 69045, 207135, 464903, 1394709, 2324515, 4184127, 6973545, 20920635]

約数ペア:

[(1, 20920635), (3, 6973545), (5, 4184127), (9, 2324515), (15, 1394709), (45, 464903), (101, 207135), (303, 69045), (505, 41427), (909, 23015), (1515, 13809), (4545, 4603)]