20194805

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2621}}^1$

素因数の和:2716

約数の個数: 16

約数和(自身を含む): 25674624

約数和(自身を除く): 5479819

約数列:

[1, 5, 23, 67, 115, 335, 1541, 2621, 7705, 13105, 60283, 175607, 301415, 878035, 4038961, 20194805]

約数ペア:

[(1, 20194805), (5, 4038961), (23, 878035), (67, 301415), (115, 175607), (335, 60283), (1541, 13105), (2621, 7705)]