20973712

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12251}}^1$

素因数の和:12366

約数の個数: 20

約数和(自身を含む): 41019696

約数和(自身を除く): 20045984

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12251, 24502, 49004, 98008, 196016, 1310857, 2621714, 5243428, 10486856, 20973712]

約数ペア:

[(1, 20973712), (2, 10486856), (4, 5243428), (8, 2621714), (16, 1310857), (107, 196016), (214, 98008), (428, 49004), (856, 24502), (1712, 12251)]