20551083

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{263}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 31958784

約数和(自身を除く): 11407701

約数列:

[1, 3, 7, 21, 61, 183, 263, 427, 789, 1281, 1841, 3721, 5523, 11163, 16043, 26047, 48129, 78141, 112301, 336903, 978623, 2935869, 6850361, 20551083]

約数ペア:

[(1, 20551083), (3, 6850361), (7, 2935869), (21, 978623), (61, 336903), (183, 112301), (263, 78141), (427, 48129), (789, 26047), (1281, 16043), (1841, 11163), (3721, 5523)]