20403957507

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{821}}^1\times {\mathrm{1237}}^1$

素因数の和:2279

約数の個数: 32

約数和(自身を含む): 28151882304

約数和(自身を除く): 7747924797

約数列:

[1, 3, 37, 111, 181, 543, 821, 1237, 2463, 3711, 6697, 20091, 30377, 45769, 91131, 137307, 148601, 223897, 445803, 671691, 1015577, 3046731, 5498237, 8284189, 16494711, 24852567, 37576349, 112729047, 183819437, 551458311, 6801319169, 20403957507]

約数ペア:

[(1, 20403957507), (3, 6801319169), (37, 551458311), (111, 183819437), (181, 112729047), (543, 37576349), (821, 24852567), (1237, 16494711), (2463, 8284189), (3711, 5498237), (6697, 3046731), (20091, 1015577), (30377, 671691), (45769, 445803), (91131, 223897), (137307, 148601)]