20591295

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13623105

約数列:

[1, 3, 5, 15, 53, 59, 159, 177, 265, 295, 439, 795, 885, 1317, 2195, 3127, 6585, 9381, 15635, 23267, 25901, 46905, 69801, 77703, 116335, 129505, 349005, 388515, 1372753, 4118259, 6863765, 20591295]

約数ペア:

[(1, 20591295), (3, 6863765), (5, 4118259), (15, 1372753), (53, 388515), (59, 349005), (159, 129505), (177, 116335), (265, 77703), (295, 69801), (439, 46905), (795, 25901), (885, 23267), (1317, 15635), (2195, 9381), (3127, 6585)]