20419406

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13381}}^1$

素因数の和:13499

約数の個数: 16

約数和(自身を含む): 35328480

約数和(自身を除く): 14909074

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13381, 26762, 93667, 187334, 1458529, 2917058, 10209703, 20419406]

約数ペア:

[(1, 20419406), (2, 10209703), (7, 2917058), (14, 1458529), (109, 187334), (218, 93667), (763, 26762), (1526, 13381)]