20161018

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{6173}}^1$

素因数の和:6269

約数の個数: 16

約数和(自身を含む): 32006016

約数和(自身を除く): 11844998

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 6173, 12346, 141979, 283958, 438283, 876566, 10080509, 20161018]

約数ペア:

[(1, 20161018), (2, 10080509), (23, 876566), (46, 438283), (71, 283958), (142, 141979), (1633, 12346), (3266, 6173)]