20868802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7523}}^1$

素因数の和:7617

約数の個数: 16

約数和(自身を含む): 33406560

約数和(自身を除く): 12537758

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 7523, 15046, 142937, 285874, 549179, 1098358, 10434401, 20868802]

約数ペア:

[(1, 20868802), (2, 10434401), (19, 1098358), (38, 549179), (73, 285874), (146, 142937), (1387, 15046), (2774, 7523)]