20153307988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2170757}}^1$

素因数の和:2170983

約数の個数: 24

約数和(自身を含む): 38656858464

約数和(自身を除く): 18503550476

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2321, 4642, 9284, 2170757, 4341514, 8683028, 23878327, 47756654, 95513308, 458029727, 916059454, 1832118908, 5038326997, 10076653994, 20153307988]

約数ペア:

[(1, 20153307988), (2, 10076653994), (4, 5038326997), (11, 1832118908), (22, 916059454), (44, 458029727), (211, 95513308), (422, 47756654), (844, 23878327), (2321, 8683028), (4642, 4341514), (9284, 2170757)]