20962377

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7211}}^1$

素因数の和:7253

約数の個数: 24

約数和(自身を含む): 33752160

約数和(自身を除く): 12789783

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7211, 21633, 64899, 122587, 137009, 367761, 411027, 1103283, 1233081, 2329153, 6987459, 20962377]

約数ペア:

[(1, 20962377), (3, 6987459), (9, 2329153), (17, 1233081), (19, 1103283), (51, 411027), (57, 367761), (153, 137009), (171, 122587), (323, 64899), (969, 21633), (2907, 7211)]