20435974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7211}}^1$

素因数の和:7335

約数の個数: 16

約数和(自身を含む): 33319440

約数和(自身を除く): 12883466

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 7211, 14422, 93743, 187486, 785999, 1571998, 10217987, 20435974]

約数ペア:

[(1, 20435974), (2, 10217987), (13, 1571998), (26, 785999), (109, 187486), (218, 93743), (1417, 14422), (2834, 7211)]