20472782015

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{102101}}^1$

素因数の和:102467

約数の個数: 32

約数和(自身を含む): 29817051264

約数和(自身を除く): 9344269249

約数列:

[1, 5, 7, 17, 35, 85, 119, 337, 595, 1685, 2359, 5729, 11795, 28645, 40103, 102101, 200515, 510505, 714707, 1735717, 3573535, 8678585, 12150019, 34408037, 60750095, 172040185, 240856259, 584936629, 1204281295, 2924683145, 4094556403, 20472782015]

約数ペア:

[(1, 20472782015), (5, 4094556403), (7, 2924683145), (17, 1204281295), (35, 584936629), (85, 240856259), (119, 172040185), (337, 60750095), (595, 34408037), (1685, 12150019), (2359, 8678585), (5729, 3573535), (11795, 1735717), (28645, 714707), (40103, 510505), (102101, 200515)]