20646015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 15158145

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 239, 443, 717, 1195, 1329, 2215, 3107, 3585, 5759, 6645, 9321, 15535, 17277, 28795, 46605, 86385, 105877, 317631, 529385, 1376401, 1588155, 4129203, 6882005, 20646015]

約数ペア:

[(1, 20646015), (3, 6882005), (5, 4129203), (13, 1588155), (15, 1376401), (39, 529385), (65, 317631), (195, 105877), (239, 86385), (443, 46605), (717, 28795), (1195, 17277), (1329, 15535), (2215, 9321), (3107, 6645), (3585, 5759)]