20994714

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{3323}}^1$

素因数の和:3353

約数の個数: 48

約数和(自身を含む): 50817312

約数和(自身を除く): 29822598

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3159, 3323, 6318, 6646, 9969, 19938, 29907, 43199, 59814, 86398, 89721, 129597, 179442, 259194, 269163, 388791, 538326, 777582, 807489, 1166373, 1614978, 2332746, 3499119, 6998238, 10497357, 20994714]

約数ペア:

[(1, 20994714), (2, 10497357), (3, 6998238), (6, 3499119), (9, 2332746), (13, 1614978), (18, 1166373), (26, 807489), (27, 777582), (39, 538326), (54, 388791), (78, 269163), (81, 259194), (117, 179442), (162, 129597), (234, 89721), (243, 86398), (351, 59814), (486, 43199), (702, 29907), (1053, 19938), (2106, 9969), (3159, 6646), (3323, 6318)]