20809628

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6577}}^1$

素因数の和:6701

約数の個数: 24

約数和(自身を含む): 41993952

約数和(自身を除く): 21184324

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6577, 13154, 26308, 46039, 92078, 184156, 743201, 1486402, 2972804, 5202407, 10404814, 20809628]

約数ペア:

[(1, 20809628), (2, 10404814), (4, 5202407), (7, 2972804), (14, 1486402), (28, 743201), (113, 184156), (226, 92078), (452, 46039), (791, 26308), (1582, 13154), (3164, 6577)]