20773242

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1459}}^1$

素因数の和:1587

約数の個数: 48

約数和(自身を含む): 51929280

約数和(自身を除く): 31156038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1459, 1582, 2034, 2373, 2918, 4377, 4746, 7119, 8754, 10213, 13131, 14238, 20426, 26262, 30639, 61278, 91917, 164867, 183834, 329734, 494601, 989202, 1154069, 1483803, 2308138, 2967606, 3462207, 6924414, 10386621, 20773242]

約数ペア:

[(1, 20773242), (2, 10386621), (3, 6924414), (6, 3462207), (7, 2967606), (9, 2308138), (14, 1483803), (18, 1154069), (21, 989202), (42, 494601), (63, 329734), (113, 183834), (126, 164867), (226, 91917), (339, 61278), (678, 30639), (791, 26262), (1017, 20426), (1459, 14238), (1582, 13131), (2034, 10213), (2373, 8754), (2918, 7119), (4377, 4746)]