20660868

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4519}}^1$

素因数の和:4656

約数の個数: 36

約数和(自身を含む): 52648960

約数和(自身を除く): 31988092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4519, 4572, 9038, 13557, 18076, 27114, 40671, 54228, 81342, 162684, 573913, 1147826, 1721739, 2295652, 3443478, 5165217, 6886956, 10330434, 20660868]

約数ペア:

[(1, 20660868), (2, 10330434), (3, 6886956), (4, 5165217), (6, 3443478), (9, 2295652), (12, 1721739), (18, 1147826), (36, 573913), (127, 162684), (254, 81342), (381, 54228), (508, 40671), (762, 27114), (1143, 18076), (1524, 13557), (2286, 9038), (4519, 4572)]