20514998

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21871}}^1$

素因数の和:21947

約数の個数: 16

約数和(自身を含む): 35695104

約数和(自身を除く): 15180106

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 21871, 43742, 153097, 306194, 1465357, 2930714, 10257499, 20514998]

約数ペア:

[(1, 20514998), (2, 10257499), (7, 2930714), (14, 1465357), (67, 306194), (134, 153097), (469, 43742), (938, 21871)]