20606690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{541}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 40155696

約数和(自身を除く): 19549006

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 293, 541, 586, 1082, 1465, 2705, 2930, 3809, 5410, 7033, 7618, 14066, 19045, 35165, 38090, 70330, 158513, 317026, 792565, 1585130, 2060669, 4121338, 10303345, 20606690]

約数ペア:

[(1, 20606690), (2, 10303345), (5, 4121338), (10, 2060669), (13, 1585130), (26, 792565), (65, 317026), (130, 158513), (293, 70330), (541, 38090), (586, 35165), (1082, 19045), (1465, 14066), (2705, 7618), (2930, 7033), (3809, 5410)]