20873466

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 47683584

約数和(自身を除く): 26810118

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 127, 138, 207, 254, 381, 397, 414, 762, 794, 1143, 1191, 2286, 2382, 2921, 3573, 5842, 7146, 8763, 9131, 17526, 18262, 26289, 27393, 50419, 52578, 54786, 82179, 100838, 151257, 164358, 302514, 453771, 907542, 1159637, 2319274, 3478911, 6957822, 10436733, 20873466]

約数ペア:

[(1, 20873466), (2, 10436733), (3, 6957822), (6, 3478911), (9, 2319274), (18, 1159637), (23, 907542), (46, 453771), (69, 302514), (127, 164358), (138, 151257), (207, 100838), (254, 82179), (381, 54786), (397, 52578), (414, 50419), (762, 27393), (794, 26289), (1143, 18262), (1191, 17526), (2286, 9131), (2382, 8763), (2921, 7146), (3573, 5842)]