20008221485

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{308507}}^1$

素因数の和:308645

約数の個数: 32

約数和(自身を含む): 29320600320

約数和(自身を除く): 9312378835

約数列:

[1, 5, 7, 17, 35, 85, 109, 119, 545, 595, 763, 1853, 3815, 9265, 12971, 64855, 308507, 1542535, 2159549, 5244619, 10797745, 26223095, 33627263, 36712333, 168136315, 183561665, 235390841, 571663471, 1176954205, 2858317355, 4001644297, 20008221485]

約数ペア:

[(1, 20008221485), (5, 4001644297), (7, 2858317355), (17, 1176954205), (35, 571663471), (85, 235390841), (109, 183561665), (119, 168136315), (545, 36712333), (595, 33627263), (763, 26223095), (1853, 10797745), (3815, 5244619), (9265, 2159549), (12971, 1542535), (64855, 308507)]