20123543

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 2495977

約数列:

[1, 11, 59, 101, 307, 649, 1111, 3377, 5959, 18113, 31007, 65549, 199243, 341077, 1829413, 20123543]

約数ペア:

[(1, 20123543), (11, 1829413), (59, 341077), (101, 199243), (307, 65549), (649, 31007), (1111, 18113), (3377, 5959)]