20211598045

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{2081}}^1$

素因数の和:2517

約数の個数: 32

約数和(自身を含む): 24932033280

約数和(自身を除く): 4720435235

約数列:

[1, 5, 71, 109, 251, 355, 545, 1255, 2081, 7739, 10405, 17821, 27359, 38695, 89105, 136795, 147751, 226829, 522331, 738755, 1134145, 1942489, 2611655, 9712445, 16104859, 37085501, 56934079, 80524295, 185427505, 284670395, 4042319609, 20211598045]

約数ペア:

[(1, 20211598045), (5, 4042319609), (71, 284670395), (109, 185427505), (251, 80524295), (355, 56934079), (545, 37085501), (1255, 16104859), (2081, 9712445), (7739, 2611655), (10405, 1942489), (17821, 1134145), (27359, 738755), (38695, 522331), (89105, 226829), (136795, 147751)]