20445438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262121}}^1$

素因数の和:262139

約数の個数: 16

約数和(自身を含む): 44036496

約数和(自身を除く): 23591058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 262121, 524242, 786363, 1572726, 3407573, 6815146, 10222719, 20445438]

約数ペア:

[(1, 20445438), (2, 10222719), (3, 6815146), (6, 3407573), (13, 1572726), (26, 786363), (39, 524242), (78, 262121)]