20858148

素因数分解:

$2^2\times 3^6\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:356

約数の個数: 84

約数和(自身を含む): 57290688

約数和(自身を除く): 36432540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 243, 276, 311, 324, 414, 486, 621, 622, 729, 828, 933, 972, 1242, 1244, 1458, 1863, 1866, 2484, 2799, 2916, 3726, 3732, 5589, 5598, 7153, 7452, 8397, 11178, 11196, 14306, 16767, 16794, 21459, 22356, 25191, 28612, 33534, 33588, 42918, 50382, 64377, 67068, 75573, 85836, 100764, 128754, 151146, 193131, 226719, 257508, 302292, 386262, 453438, 579393, 772524, 906876, 1158786, 1738179, 2317572, 3476358, 5214537, 6952716, 10429074, 20858148]

約数ペア:

[(1, 20858148), (2, 10429074), (3, 6952716), (4, 5214537), (6, 3476358), (9, 2317572), (12, 1738179), (18, 1158786), (23, 906876), (27, 772524), (36, 579393), (46, 453438), (54, 386262), (69, 302292), (81, 257508), (92, 226719), (108, 193131), (138, 151146), (162, 128754), (207, 100764), (243, 85836), (276, 75573), (311, 67068), (324, 64377), (414, 50382), (486, 42918), (621, 33588), (622, 33534), (729, 28612), (828, 25191), (933, 22356), (972, 21459), (1242, 16794), (1244, 16767), (1458, 14306), (1863, 11196), (1866, 11178), (2484, 8397), (2799, 7452), (2916, 7153), (3726, 5598), (3732, 5589)]