20849019

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 30234624

約数和(自身を除く): 9385605

約数列:

[1, 3, 31, 37, 73, 83, 93, 111, 219, 249, 1147, 2263, 2573, 2701, 3071, 3441, 6059, 6789, 7719, 8103, 9213, 18177, 83731, 95201, 187829, 224183, 251193, 285603, 563487, 672549, 6949673, 20849019]

約数ペア:

[(1, 20849019), (3, 6949673), (31, 672549), (37, 563487), (73, 285603), (83, 251193), (93, 224183), (111, 187829), (219, 95201), (249, 83731), (1147, 18177), (2263, 9213), (2573, 8103), (2701, 7719), (3071, 6789), (3441, 6059)]