20848278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{315883}}^1$

素因数の和:315899

約数の個数: 16

約数和(自身を含む): 45487296

約数和(自身を除く): 24639018

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 315883, 631766, 947649, 1895298, 3474713, 6949426, 10424139, 20848278]

約数ペア:

[(1, 20848278), (2, 10424139), (3, 6949426), (6, 3474713), (11, 1895298), (22, 947649), (33, 631766), (66, 315883)]