20166172808

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{641}}^1\times {\mathrm{9341}}^1$

素因数の和:10409

約数の個数: 32

約数和(自身を含む): 37964580120

約数和(自身を除く): 17798407312

約数列:

[1, 2, 4, 8, 421, 641, 842, 1282, 1684, 2564, 3368, 5128, 9341, 18682, 37364, 74728, 269861, 539722, 1079444, 2158888, 3932561, 5987581, 7865122, 11975162, 15730244, 23950324, 31460488, 47900648, 2520771601, 5041543202, 10083086404, 20166172808]

約数ペア:

[(1, 20166172808), (2, 10083086404), (4, 5041543202), (8, 2520771601), (421, 47900648), (641, 31460488), (842, 23950324), (1282, 15730244), (1684, 11975162), (2564, 7865122), (3368, 5987581), (5128, 3932561), (9341, 2158888), (18682, 1079444), (37364, 539722), (74728, 269861)]