20315694

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1669

約数の個数: 48

約数和(自身を含む): 48394368

約数和(自身を除く): 28078674

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1607, 1806, 2107, 3214, 4214, 4821, 6321, 9642, 11249, 12642, 22498, 33747, 67494, 69101, 78743, 138202, 157486, 207303, 236229, 414606, 472458, 483707, 967414, 1451121, 2902242, 3385949, 6771898, 10157847, 20315694]

約数ペア:

[(1, 20315694), (2, 10157847), (3, 6771898), (6, 3385949), (7, 2902242), (14, 1451121), (21, 967414), (42, 483707), (43, 472458), (49, 414606), (86, 236229), (98, 207303), (129, 157486), (147, 138202), (258, 78743), (294, 69101), (301, 67494), (602, 33747), (903, 22498), (1607, 12642), (1806, 11249), (2107, 9642), (3214, 6321), (4214, 4821)]