20158389616

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12474251}}^1$

素因数の和:12474360

約数の個数: 20

約数和(自身を含む): 39443584824

約数和(自身を除く): 19285195208

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12474251, 24948502, 49897004, 99794008, 199588016, 1259899351, 2519798702, 5039597404, 10079194808, 20158389616]

約数ペア:

[(1, 20158389616), (2, 10079194808), (4, 5039597404), (8, 2519798702), (16, 1259899351), (101, 199588016), (202, 99794008), (404, 49897004), (808, 24948502), (1616, 12474251)]