20180584

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1289}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 40248000

約数和(自身を除く): 20067416

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1289, 1957, 2578, 3914, 5156, 7828, 10312, 15656, 24491, 48982, 97964, 132767, 195928, 265534, 531068, 1062136, 2522573, 5045146, 10090292, 20180584]

約数ペア:

[(1, 20180584), (2, 10090292), (4, 5045146), (8, 2522573), (19, 1062136), (38, 531068), (76, 265534), (103, 195928), (152, 132767), (206, 97964), (412, 48982), (824, 24491), (1289, 15656), (1957, 10312), (2578, 7828), (3914, 5156)]