20646398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6823}}^1$

素因数の和:6931

約数の個数: 16

約数和(自身を含む): 33164640

約数和(自身を除く): 12518242

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6823, 13646, 115991, 231982, 607247, 1214494, 10323199, 20646398]

約数ペア:

[(1, 20646398), (2, 10323199), (17, 1214494), (34, 607247), (89, 231982), (178, 115991), (1513, 13646), (3026, 6823)]