20653689

素因数分解:

$3^1\times 7^1\times {\mathrm{853}}^1\times {\mathrm{1153}}^1$

素因数の和:2016

約数の個数: 16

約数和(自身を含む): 31536512

約数和(自身を除く): 10882823

約数列:

[1, 3, 7, 21, 853, 1153, 2559, 3459, 5971, 8071, 17913, 24213, 983509, 2950527, 6884563, 20653689]

約数ペア:

[(1, 20653689), (3, 6884563), (7, 2950527), (21, 983509), (853, 24213), (1153, 17913), (2559, 8071), (3459, 5971)]