20329521

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4651}}^1$

素因数の和:4732

約数の個数: 16

約数和(自身を含む): 28581888

約数和(自身を除く): 8252367

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4651, 13953, 144181, 218597, 432543, 655791, 6776507, 20329521]

約数ペア:

[(1, 20329521), (3, 6776507), (31, 655791), (47, 432543), (93, 218597), (141, 144181), (1457, 13953), (4371, 4651)]