20761668

素因数分解:

$2^2\times 3^2\times {\mathrm{241}}^1\times {\mathrm{2393}}^1$

素因数の和:2644

約数の個数: 36

約数和(自身を含む): 52720668

約数和(自身を除く): 31959000

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 241, 482, 723, 964, 1446, 2169, 2393, 2892, 4338, 4786, 7179, 8676, 9572, 14358, 21537, 28716, 43074, 86148, 576713, 1153426, 1730139, 2306852, 3460278, 5190417, 6920556, 10380834, 20761668]

約数ペア:

[(1, 20761668), (2, 10380834), (3, 6920556), (4, 5190417), (6, 3460278), (9, 2306852), (12, 1730139), (18, 1153426), (36, 576713), (241, 86148), (482, 43074), (723, 28716), (964, 21537), (1446, 14358), (2169, 9572), (2393, 8676), (2892, 7179), (4338, 4786)]