20451693

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 7490067

約数列:

[1, 3, 53, 159, 293, 439, 879, 1317, 15529, 23267, 46587, 69801, 128627, 385881, 6817231, 20451693]

約数ペア:

[(1, 20451693), (3, 6817231), (53, 385881), (159, 128627), (293, 69801), (439, 46587), (879, 23267), (1317, 15529)]