20416172

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7517}}^1$

素因数の和:7625

約数の個数: 24

約数和(自身を含む): 41258784

約数和(自身を除く): 20842612

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7517, 15034, 30068, 52619, 105238, 210476, 729149, 1458298, 2916596, 5104043, 10208086, 20416172]

約数ペア:

[(1, 20416172), (2, 10208086), (4, 5104043), (7, 2916596), (14, 1458298), (28, 729149), (97, 210476), (194, 105238), (388, 52619), (679, 30068), (1358, 15034), (2716, 7517)]