20054994

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 43452288

約数和(自身を除く): 23397294

約数列:

[1, 2, 3, 6, 19, 38, 47, 57, 94, 114, 141, 197, 282, 361, 394, 591, 722, 893, 1083, 1182, 1786, 2166, 2679, 3743, 5358, 7486, 9259, 11229, 16967, 18518, 22458, 27777, 33934, 50901, 55554, 71117, 101802, 142234, 175921, 213351, 351842, 426702, 527763, 1055526, 3342499, 6684998, 10027497, 20054994]

約数ペア:

[(1, 20054994), (2, 10027497), (3, 6684998), (6, 3342499), (19, 1055526), (38, 527763), (47, 426702), (57, 351842), (94, 213351), (114, 175921), (141, 142234), (197, 101802), (282, 71117), (361, 55554), (394, 50901), (591, 33934), (722, 27777), (893, 22458), (1083, 18518), (1182, 16967), (1786, 11229), (2166, 9259), (2679, 7486), (3743, 5358)]