20743079

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6781}}^1$

素因数の和:6830

約数の個数: 16

約数和(自身を含む): 26042880

約数和(自身を除く): 5299801

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6781, 47467, 128839, 155963, 901873, 1091741, 2963297, 20743079]

約数ペア:

[(1, 20743079), (7, 2963297), (19, 1091741), (23, 901873), (133, 155963), (161, 128839), (437, 47467), (3059, 6781)]