20758518

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^2\times {\mathrm{353}}^1$

素因数の和:392

約数の個数: 72

約数和(自身を含む): 51413544

約数和(自身を除く): 30655026

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 121, 162, 198, 242, 243, 297, 353, 363, 486, 594, 706, 726, 891, 1059, 1089, 1782, 2118, 2178, 2673, 3177, 3267, 3883, 5346, 6354, 6534, 7766, 9531, 9801, 11649, 19062, 19602, 23298, 28593, 29403, 34947, 42713, 57186, 58806, 69894, 85426, 85779, 104841, 128139, 171558, 209682, 256278, 314523, 384417, 629046, 768834, 943569, 1153251, 1887138, 2306502, 3459753, 6919506, 10379259, 20758518]

約数ペア:

[(1, 20758518), (2, 10379259), (3, 6919506), (6, 3459753), (9, 2306502), (11, 1887138), (18, 1153251), (22, 943569), (27, 768834), (33, 629046), (54, 384417), (66, 314523), (81, 256278), (99, 209682), (121, 171558), (162, 128139), (198, 104841), (242, 85779), (243, 85426), (297, 69894), (353, 58806), (363, 57186), (486, 42713), (594, 34947), (706, 29403), (726, 28593), (891, 23298), (1059, 19602), (1089, 19062), (1782, 11649), (2118, 9801), (2178, 9531), (2673, 7766), (3177, 6534), (3267, 6354), (3883, 5346)]