20618272

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12157}}^1$

素因数の和:12220

約数の個数: 24

約数和(自身を含む): 41361516

約数和(自身を除く): 20743244

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12157, 24314, 48628, 97256, 194512, 389024, 644321, 1288642, 2577284, 5154568, 10309136, 20618272]

約数ペア:

[(1, 20618272), (2, 10309136), (4, 5154568), (8, 2577284), (16, 1288642), (32, 644321), (53, 389024), (106, 194512), (212, 97256), (424, 48628), (848, 24314), (1696, 12157)]