20350887

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7529}}^1$

素因数の和:7602

約数の個数: 16

約数和(自身を含む): 29276640

約数和(自身を除く): 8925753

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7529, 22587, 127993, 383979, 399037, 1197111, 6783629, 20350887]

約数ペア:

[(1, 20350887), (3, 6783629), (17, 1197111), (51, 399037), (53, 383979), (159, 127993), (901, 22587), (2703, 7529)]