20377658

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 35917824

約数和(自身を除く): 15540166

約数列:

[1, 2, 7, 14, 73, 127, 146, 157, 254, 314, 511, 889, 1022, 1099, 1778, 2198, 9271, 11461, 18542, 19939, 22922, 39878, 64897, 80227, 129794, 139573, 160454, 279146, 1455547, 2911094, 10188829, 20377658]

約数ペア:

[(1, 20377658), (2, 10188829), (7, 2911094), (14, 1455547), (73, 279146), (127, 160454), (146, 139573), (157, 129794), (254, 80227), (314, 64897), (511, 39878), (889, 22922), (1022, 19939), (1099, 18542), (1778, 11461), (2198, 9271)]