20977002

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10499}}^1$

素因数の和:10547

約数の個数: 32

約数和(自身を含む): 47880000

約数和(自身を除く): 26902998

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10499, 20998, 31497, 62994, 94491, 188982, 283473, 388463, 566946, 776926, 1165389, 2330778, 3496167, 6992334, 10488501, 20977002]

約数ペア:

[(1, 20977002), (2, 10488501), (3, 6992334), (6, 3496167), (9, 2330778), (18, 1165389), (27, 776926), (37, 566946), (54, 388463), (74, 283473), (111, 188982), (222, 94491), (333, 62994), (666, 31497), (999, 20998), (1998, 10499)]