20907202

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 13022078

約数列:

[1, 2, 29, 43, 58, 83, 86, 101, 166, 202, 1247, 2407, 2494, 2929, 3569, 4343, 4814, 5858, 7138, 8383, 8686, 16766, 103501, 125947, 207002, 243107, 251894, 360469, 486214, 720938, 10453601, 20907202]

約数ペア:

[(1, 20907202), (2, 10453601), (29, 720938), (43, 486214), (58, 360469), (83, 251894), (86, 243107), (101, 207002), (166, 125947), (202, 103501), (1247, 16766), (2407, 8686), (2494, 8383), (2929, 7138), (3569, 5858), (4343, 4814)]