20123844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{9923}}^1$

素因数の和:9956

約数の個数: 36

約数和(自身を含む): 50850576

約数和(自身を除く): 30726732

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 9923, 19846, 29769, 39692, 59538, 119076, 128999, 257998, 386997, 515996, 773994, 1547988, 1676987, 3353974, 5030961, 6707948, 10061922, 20123844]

約数ペア:

[(1, 20123844), (2, 10061922), (3, 6707948), (4, 5030961), (6, 3353974), (12, 1676987), (13, 1547988), (26, 773994), (39, 515996), (52, 386997), (78, 257998), (156, 128999), (169, 119076), (338, 59538), (507, 39692), (676, 29769), (1014, 19846), (2028, 9923)]