20320586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 36082368

約数和(自身を除く): 15761782

約数列:

[1, 2, 11, 13, 22, 26, 143, 227, 286, 313, 454, 626, 2497, 2951, 3443, 4069, 4994, 5902, 6886, 8138, 32461, 44759, 64922, 71051, 89518, 142102, 781561, 923663, 1563122, 1847326, 10160293, 20320586]

約数ペア:

[(1, 20320586), (2, 10160293), (11, 1847326), (13, 1563122), (22, 923663), (26, 781561), (143, 142102), (227, 89518), (286, 71051), (313, 64922), (454, 44759), (626, 32461), (2497, 8138), (2951, 6886), (3443, 5902), (4069, 4994)]