20823786

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 47511360

約数和(自身を除く): 26687574

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 179, 207, 281, 358, 414, 537, 562, 843, 1074, 1611, 1686, 2529, 3222, 4117, 5058, 6463, 8234, 12351, 12926, 19389, 24702, 37053, 38778, 50299, 58167, 74106, 100598, 116334, 150897, 301794, 452691, 905382, 1156877, 2313754, 3470631, 6941262, 10411893, 20823786]

約数ペア:

[(1, 20823786), (2, 10411893), (3, 6941262), (6, 3470631), (9, 2313754), (18, 1156877), (23, 905382), (46, 452691), (69, 301794), (138, 150897), (179, 116334), (207, 100598), (281, 74106), (358, 58167), (414, 50299), (537, 38778), (562, 37053), (843, 24702), (1074, 19389), (1611, 12926), (1686, 12351), (2529, 8234), (3222, 6463), (4117, 5058)]