20403111

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 29309904

約数和(自身を除く): 8906793

約数列:

[1, 3, 17, 51, 101, 233, 289, 303, 699, 867, 1717, 3961, 5151, 11883, 23533, 29189, 67337, 70599, 87567, 202011, 400061, 1200183, 6801037, 20403111]

約数ペア:

[(1, 20403111), (3, 6801037), (17, 1200183), (51, 400061), (101, 202011), (233, 87567), (289, 70599), (303, 67337), (699, 29189), (867, 23533), (1717, 11883), (3961, 5151)]