20408939710

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1453}}^1\times {\mathrm{13907}}^1$

素因数の和:15468

約数の個数: 32

約数和(自身を含む): 37128017952

約数和(自身を除く): 16719078242

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 1453, 2906, 7265, 13907, 14530, 27814, 69535, 139070, 146753, 293506, 733765, 1404607, 1467530, 2809214, 7023035, 14046070, 20206871, 40413742, 101034355, 202068710, 2040893971, 4081787942, 10204469855, 20408939710]

約数ペア:

[(1, 20408939710), (2, 10204469855), (5, 4081787942), (10, 2040893971), (101, 202068710), (202, 101034355), (505, 40413742), (1010, 20206871), (1453, 14046070), (2906, 7023035), (7265, 2809214), (13907, 1467530), (14530, 1404607), (27814, 733765), (69535, 293506), (139070, 146753)]