20635004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4091}}^1$

素因数の和:4205

約数の個数: 24

約数和(自身を含む): 39299568

約数和(自身を除く): 18664564

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 4091, 5044, 8182, 16364, 53183, 106366, 212732, 396827, 793654, 1587308, 5158751, 10317502, 20635004]

約数ペア:

[(1, 20635004), (2, 10317502), (4, 5158751), (13, 1587308), (26, 793654), (52, 396827), (97, 212732), (194, 106366), (388, 53183), (1261, 16364), (2522, 8182), (4091, 5044)]