20685028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56827}}^1$

素因数の和:56851

約数の個数: 24

約数和(自身を含む): 44553152

約数和(自身を除く): 23868124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56827, 113654, 227308, 397789, 738751, 795578, 1477502, 1591156, 2955004, 5171257, 10342514, 20685028]

約数ペア:

[(1, 20685028), (2, 10342514), (4, 5171257), (7, 2955004), (13, 1591156), (14, 1477502), (26, 795578), (28, 738751), (52, 397789), (91, 227308), (182, 113654), (364, 56827)]