20916228

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{15991}}^1$

素因数の和:16107

約数の個数: 24

約数和(自身を含む): 49255360

約数和(自身を除く): 28339132

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 15991, 31982, 47973, 63964, 95946, 191892, 1743019, 3486038, 5229057, 6972076, 10458114, 20916228]

約数ペア:

[(1, 20916228), (2, 10458114), (3, 6972076), (4, 5229057), (6, 3486038), (12, 1743019), (109, 191892), (218, 95946), (327, 63964), (436, 47973), (654, 31982), (1308, 15991)]