20161409

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 22014720

約数和(自身を除く): 1853311

約数列:

[1, 23, 29, 167, 181, 667, 3841, 4163, 4843, 5249, 30227, 111389, 120727, 695221, 876583, 20161409]

約数ペア:

[(1, 20161409), (23, 876583), (29, 695221), (167, 120727), (181, 111389), (667, 30227), (3841, 5249), (4163, 4843)]