20803892030

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1\times {\mathrm{28663}}^1$

素因数の和:29252

約数の個数: 32

約数和(自身を含む): 37749112128

約数和(自身を除く): 16945220098

約数列:

[1, 2, 5, 10, 181, 362, 401, 802, 905, 1810, 2005, 4010, 28663, 57326, 72581, 143315, 145162, 286630, 362905, 725810, 5188003, 10376006, 11493863, 22987726, 25940015, 51880030, 57469315, 114938630, 2080389203, 4160778406, 10401946015, 20803892030]

約数ペア:

[(1, 20803892030), (2, 10401946015), (5, 4160778406), (10, 2080389203), (181, 114938630), (362, 57469315), (401, 51880030), (802, 25940015), (905, 22987726), (1810, 11493863), (2005, 10376006), (4010, 5188003), (28663, 725810), (57326, 362905), (72581, 286630), (143315, 145162)]