20176903145

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1\times {\mathrm{11621}}^1$

素因数の和:12185

約数の個数: 32

約数和(自身を含む): 27982056960

約数和(自身を除く): 7805153815

約数列:

[1, 5, 7, 35, 113, 439, 565, 791, 2195, 3073, 3955, 11621, 15365, 49607, 58105, 81347, 248035, 347249, 406735, 1313173, 1736245, 5101619, 6565865, 9192211, 25508095, 35711333, 45961055, 178556665, 576482947, 2882414735, 4035380629, 20176903145]

約数ペア:

[(1, 20176903145), (5, 4035380629), (7, 2882414735), (35, 576482947), (113, 178556665), (439, 45961055), (565, 35711333), (791, 25508095), (2195, 9192211), (3073, 6565865), (3955, 5101619), (11621, 1736245), (15365, 1313173), (49607, 406735), (58105, 347249), (81347, 248035)]