20115714

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1303}}^1$

素因数の和:1422

約数の個数: 32

約数和(自身を含む): 42061824

約数和(自身を除く): 21946110

約数列:

[1, 2, 3, 6, 31, 62, 83, 93, 166, 186, 249, 498, 1303, 2573, 2606, 3909, 5146, 7719, 7818, 15438, 40393, 80786, 108149, 121179, 216298, 242358, 324447, 648894, 3352619, 6705238, 10057857, 20115714]

約数ペア:

[(1, 20115714), (2, 10057857), (3, 6705238), (6, 3352619), (31, 648894), (62, 324447), (83, 242358), (93, 216298), (166, 121179), (186, 108149), (249, 80786), (498, 40393), (1303, 15438), (2573, 7818), (2606, 7719), (3909, 5146)]