20099401

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 24182784

約数和(自身を除く): 4083383

約数列:

[1, 7, 23, 127, 161, 889, 983, 2921, 6881, 20447, 22609, 124841, 158263, 873887, 2871343, 20099401]

約数ペア:

[(1, 20099401), (7, 2871343), (23, 873887), (127, 158263), (161, 124841), (889, 22609), (983, 20447), (2921, 6881)]