20755828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3457}}^1$

素因数の和:3559

約数の個数: 24

約数和(自身を含む): 38729600

約数和(自身を除く): 17973772

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3457, 6004, 6914, 13828, 65683, 131366, 262732, 273103, 546206, 1092412, 5188957, 10377914, 20755828]

約数ペア:

[(1, 20755828), (2, 10377914), (4, 5188957), (19, 1092412), (38, 546206), (76, 273103), (79, 262732), (158, 131366), (316, 65683), (1501, 13828), (3002, 6914), (3457, 6004)]