20805216391

素因数分解:

${\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{811}}^1\times {\mathrm{3761}}^1$

素因数の和:4950

約数の個数: 16

約数和(自身を含む): 21994156800

約数和(自身を除く): 1188940409

約数列:

[1, 19, 359, 811, 3761, 6821, 15409, 71459, 291149, 1350199, 3050171, 5531831, 25653781, 57953249, 1095011389, 20805216391]

約数ペア:

[(1, 20805216391), (19, 1095011389), (359, 57953249), (811, 25653781), (3761, 5531831), (6821, 3050171), (15409, 1350199), (71459, 291149)]