20468559

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1571}}^1$

素因数の和:1718

約数の個数: 16

約数和(自身を含む): 28220544

約数和(自身を除く): 7751985

約数列:

[1, 3, 43, 101, 129, 303, 1571, 4343, 4713, 13029, 67553, 158671, 202659, 476013, 6822853, 20468559]

約数ペア:

[(1, 20468559), (3, 6822853), (43, 476013), (101, 202659), (129, 158671), (303, 67553), (1571, 13029), (4343, 4713)]